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Publication numberCA2758206 A1
Publication typeApplication
Application numberCA 2758206
PCT numberPCT/US2010/028421
Publication date14 Oct 2010
Filing date24 Mar 2010
Priority date10 Apr 2009
Also published asCN102388325A, CN102388325B, EP2417479A2, EP2417479A4, EP2417479B1, US8154805, US8879161, US9201175, US20100259833, US20120281295, US20150055224, WO2010117628A2, WO2010117628A3
Publication numberCA 2758206, CA 2758206 A1, CA 2758206A1, CA-A1-2758206, CA2758206 A1, CA2758206A1, PCT/2010/28421, PCT/US/10/028421, PCT/US/10/28421, PCT/US/2010/028421, PCT/US/2010/28421, PCT/US10/028421, PCT/US10/28421, PCT/US10028421, PCT/US1028421, PCT/US2010/028421, PCT/US2010/28421, PCT/US2010028421, PCT/US201028421
InventorsJames H. Jannard, Iain A. Neil
ApplicantBlackeye Optics Llc, James H. Jannard, Iain A. Neil
Export CitationBiBTeX, EndNote, RefMan
External Links: CIPO, Espacenet
Variable power optical system
CA 2758206 A1
Abstract
Liquid lens cells are used in a variable power optical system. In one embodiment, a stop is located between a first lens group comprising at least a first liquid lens cell and a second lens group comprising at least a second liquid lens cell. In one embodiment, a liquid lens cell controls an incident angle of light rays on an image surface.
Claims(16)
WHAT IS CLAIMED IS:
1. A variable power optical system, comprising:
a first lens group, wherein the first lens group comprises at least a first liquid lens cell;
a second lens group, wherein the second lens group comprises at least a second liquid lens cell; and a stop located between the first lens group and the second lens group, wherein light rays passing through the first lens group, second lens group, and the stop represent a zoom position, with control of the zoom position based at least in part on the configuration of the optical power of the first liquid lens cell and the configuration of the optical power of the second liquid lens cell.
2. The variable power optical system of Claim 1, wherein the stop is approximately equidistant between a first surface of the first lens group and a last surface of the second lens group.
3. The variable power optical system of Claim 1, wherein a diameter of the first liquid lens cell is about the same as a diameter of the second liquid lens cell.
4. The variable power optical system of Claim 1, wherein the zoom range is greater than about 3x.
5. The variable power optical system of Claim 1, wherein the zoom range is greater than about 4x.
6. The variable power optical system of Claim 1, wherein the zoom range is greater than about 5x.
7. A variable power optical system, comprising:
a first lens group, wherein the first lens group comprises at least a first liquid lens cell;
a second lens group, wherein the second lens group comprises at least a second liquid lens cell; and a third liquid lens cell configured to control an incident angle of light rays on a sensor, wherein control of a zoom position is based at least in part on the configuration of the optical power of the first liquid lens cell and the configuration of the optical power of the second liquid lens cell.
8. The variable power optical system of Claim 7, wherein control of the zoom position is based at least in part on the configuration of the optical power of the third liquid lens cell.
9. The variable power optical system of Claim 7, further comprising a stop located between the first lens group and the second lens group.
10. An optical system arranged to collect radiation emanating from an object space and deliver said radiation to an image surface in an image space along a common optical axis, comprising:
a first variable power optical component that is stationary on the common optical axis, comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids, wherein the shape of the contact surface is varied to produce a change of optical power in the variable power optical component, resulting in a variation of a chief ray angle approaching an image point on the image surface; and a second variable power optical component comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids, wherein the shape of the contact surface is varied to reduce the variation in the chief ray angle at the image point on the image surface caused by varying the shape of the first variable power optical component.
11. The optical system of Claim 10, wherein the shape of the first variable power optical component is varied to provide a zoom function.
12. The optical system of Claim 10, wherein the shape of the first variable power optical component is varied to provide a focus function.
13. A variable power objective optical system using no axially moving groups, comprising:
at least two variable power optical components that together provide zoom function with a fixed image surface, the variable power optical components comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids, wherein the shape of the contact surface is varied to produce a change of optical power in the variable power optical component; and at least one variable power optical component comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids, wherein the shape of the contact surface is varied to at least partially compensate for changes in variation of a chief ray angle approaching an image point on the image surface caused at least in part by variable power optical component that provides a zoom function.
14. A variable power objective optical system, comprising:
at least one variable power optical component comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids, wherein the shape of the contact surface is varied to at least partially compensate for changes in variation of a chief ray angle approaching an image point on an image surface caused at least in part by a zoom function.
15. A variable power objective optical system, comprising:
at least one variable power optical component comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids, wherein the shape of the contact surface is varied to at least partially compensate for changes in variation of a chief ray angle approaching an image point on an image surface caused at least in part by a focus function.
16. A variable power objective optical system, comprising:
at least one variable power optical component comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids, wherein the shape of the contact surface is varied to at least partially compensate for changes in variation of a chief ray angle approaching an image point on an image surface caused at least in part by a zoom function and a focus function.
Description  (OCR text may contain errors)

VARIABLE POWER OPTICAL SYSTEM

RELATED APPLICATIONS
[0001] This application claims the benefit of U.S. Provisional 61/168,524 filed April 10, 2009, the entirety of which is hereby incorporated by reference herein and made a part of the present specification.

BACKGROUND

[0002] The present invention relates to a variable power optical system employing liquid optics.

[0003] A zoom lens will often have three or more moving lens groups to achieve the zoom and focusing functions. A mechanical cam may link two movable lens groups to perform zooming, and a third movable lens group may be used for focus.

[0004] The zoom range is determined in part by the range of movement for the movable lens elements. Greater zoom ranges may require additional space for movement of the lens elements.

[0005] Image sensors, such as charge coupled device (CCD) sensors and CMOS image sensors (CIS) collect light using a small photosensitive area such as a photodiode. The image sensors may use micro-lenses to improve photosensitivity by collecting and focusing light from a large light collecting area. The incident angle of light reaching the micro-lens or photosensitive area affects the amount of light collected by the photosensitive area, with light that is received at some angles being less likely to reach the photosensitive area than light that is received at other angles.

[0006] Ideally, the incident angle of light at the photosensitive area is constant.
However, as a zoom lens varies the focal length, the incident angle of light may change.
Thus, moving a lens through the range of zoom positions may result in undesirable results as the incident angle changes.

SUMMARY

[0007] A variably power optical component may be used to minimize variations in the incident angle of light on an image surface.

[0008] In one embodiment, a variable power optical system comprises a first lens group with at least a first liquid lens cell, a second lens group with at least a second liquid lens cell, and a third liquid lens cell configured to control an incident angle of light rays on a sensor. The control of a zoom position is substantially based at least in part on the configuration of the optical power of the first liquid lens cell and the configuration of the optical power of the second liquid lens cell. The stop may be approximately equidistant between a first surface of the first lens group and a last surface of the second lens group. A diameter of the first liquid lens cell is about the same as a diameter of the second liquid lens cell. In one embodiment, the zoom range is greater than about 3x. In one embodiment, the zoom range is greater than about 4x. In one embodiment, the zoom range is greater than about 5x.

[0009] In one embodiment, an optical system is arranged to collect radiation emanating from an object space and deliver radiation to an image surface in an image space along a common optical axis. A first variable power optical component that is stationary on the common optical axis comprises at least two liquids with different refractive properties and at least one contact surface between the two liquids. The shape of the contact surface is varied to produce a change of optical power in the variable power optical component, resulting in a variation of a chief ray angle approaching an image point on the image surface. A second variable power optical component comprises at least two liquids with different refractive properties and at least one contact surface between the two liquids. The shape of the contact surface is varied to reduce the variation in the chief ray angle at the image point on the image surface caused by varying the shape of the first variable power optical component. The shape of the first variable power optical component may be varied to provide a zoom and/or a focus function.

[0010] In one embodiment, a variable power objective optical system uses no axially moving groups. At least one variable power optical component provides a zoom function comprising at least two liquids with different refractive properties and at least one contact surface between the two liquids. The shape of the contact surface is varied to produce a change of optical power in the variable power optical component.
Another variable power optical component comprises at least two liquids with different refractive properties and at least one contact surface between the two liquids. The shape of the contact surface is varied to at least partially compensate for changes in variation of a chief ray angle approaching an image point on the image surface caused by variable power optical component that provides a zoom function.

[0011] In one embodiment, a variable power optical system comprises a first lens group with at least a first liquid lens cell, a second lens group with at least a second liquid lens cell, and a stop located between the first lens group and the second lens group.
Light rays passing through the first lens group, second lens group, and the stop represent a zoom position, with control of the zoom position based at least in part on the configuration of the optical power of the first liquid lens cell and the configuration of the optical power of the second liquid lens cell. The stop may be approximately equidistant between a first surface of the first lens group and a last surface of the second lens group.
The zoom range may be greater than 3x in one embodiment. The zoom range may be greater than 4x in one embodiment. The zoom range may be greater than 5x in one embodiment.

[0012] In one embodiment, a variable power objective optical system comprises at least one variable power optical component with at least two liquids with different refractive properties and at least one contact surface between the two liquids.
The shape of the contact surface is varied to at least partially compensate for changes in variation of a chief ray angle approaching an image point on an image surface.
The variation of the chief ray angle may be caused at least in part by, for example, a zoom function, a focus function, or a combination of a zoom function and a focus function.

BRIEF DESCRIPTION OF THE DRAWINGS

[0013] FIGS. IA and 1B are optical diagrams depicting rim rays for an axial light beam in a variable power optical system employing liquids.

[0014] FIGS. 2A and 2B are optical diagrams depicting rim rays for an axial light beam and rims rays for an off-axis field beam in a variable power optical system employing liquids.

[0015] FIGS. 3A, 3B, 3C, 3D and 3E illustrate various incident angles of light rays on an image surface.

[0016] FIGS. 4A and 4B illustrate use of a liquid lens cell to adjust an incident angle of a light ray on an image surface.

[0017] FIGS. 5A, 5B, 5C, 5D and 5E illustrate optical diagrams of an exemplary variable power optical system design.

[0018] FIG. 6 is a block diagram of a camera.
DETAILED DESCRIPTION

[0019] In the following description, reference is made to the accompanying drawings. It is to be understood that other structures and/or embodiments may be utilized without departing from the scope of the invention.

[0020] Liquid lens cells can modify an optical path without relying upon mechanical movement of the liquid cell. A liquid lens cell comprising first and second contacting liquids may be configured so that a contacting optical surface between the contacting liquids has a variable shape that may be substantially symmetrical relative to an optical axis of the liquid lens cell. A plurality of lens elements could be aligned along a common optical axis and arranged to collect radiation emanating from an object side space and delivered to an image side space. The liquid lens cell could be inserted into an optical path formed by the plurality of lens elements that are aligned along the common optical axis. The optical axis of the liquid lens cell could be parallel to the common optical axis, or it could be at an angle or decentered to the common optical axis.

[0021] Presently contemplated liquid lens systems will have a difference in refractive index of about 0.2 or more, preferably at least about 0.3, and in some embodiments at least about 0.4. Water has a refractive index of about 1.3, and adding salt may allow varying the refractive index to about 1.48. Suitable optical oils may have a refractive index of at least about 1.5. Even by utilizing liquids with higher, lower or higher and lower refractive indices, for example a higher refractive index oil, the range of power variation remains limited. This limited range of power variation usually provides less magnification change than that of a movable lens group. Therefore, in a simple variable power optical system, to provide zooming while maintaining a constant image surface position most of the magnification change may be provided by one movable lens group and most of the compensation of defocus at the image surface during the magnification change may be provided by one liquid cell.

[0022] It should be noted that more movable lens groups or more liquid cells, or both, may be utilized. Examples of one or more moving lens groups used in combination with one or more liquid cells is described in U.S. Patent Application No.
12/246,224 titled "Liquid Optics Zoom Lens and Imaging Apparatus," filed October 6, 2008, and incorporated by reference in its entirety.

[0023] The size and properties of lens elements used in a system introduce constraints to be considered in designing the lens system. For example, the diameter of one or more lens elements may limit the size of an image formed on an image surface.
For lens systems with variable properties, such as a variable power optical system, the optics may change based on variation of the lens elements. Thus, a first lens element may constrain a lens system in a first zoom configuration, while a second lens element constrains the lens system in a second zoom configuration. As an example, the rim rays for a light beam may approach the outer edge of a lens element at one extreme of the zoom range, while being a significant distance from the outer edge of the same lens element at the other extreme of the zoom range.

[0024] Figs. 1A and 113 illustrate optical diagrams of a simplified variable power optical system that employs liquid lens cells. The variable power optical system may be used, for example, with a camera. In Fig. 1 A, a first liquid lens cell LLC1 20 and a second liquid lens cell LLC2 22 are configured so that the zoom ratio is in the wide position. An imaging lens 24 forms the image on an image surface (which is illustrated as an image plane 26) corresponding with a camera pick-up device. The imaging lens 24 may be a liquid lens cell or other lens type. The rim rays 12 of an axial light beam illustrated in Fig. 1A are near the outer edge of liquid lens cell LLC2 22.
Accordingly, the diameter of liquid lens cell LLC2 22 is a limiting factor in the lens design.
In Fig. 1B, liquid lens cell LLC1 20 and liquid lens cell LLC2 22 are configured so that the zoom ratio is in the telephoto position. The rim rays 12 of the axial light beam illustrated in Fig.
1 B are near the outer edge of liquid lens cell LLC 1 20, making the diameter of liquid lens cell LLC1 the limiting factor. Thus, the simplified design illustrated in Figs. 1 A and 1B is optimized to fully take advantage of the area on liquid lens cell LLC 1 20 and liquid lens cell LLC2 22 for the rim rays 12 of axial light beams between a range of positions.

[0025] Traditional zoom lens systems utilize moving zoom lens groups to achieve different zoom positions. Because the variable power optical system illustrated in Figs. 1A and 113 utilizes liquid lens cells, moving lens groups are not needed. Instead, a control system may be used to control the variable shape of the contacting optical surface in liquid lens cells LLC 1 20 and LLC2 22.

[0026] The use of liquid lens cells instead of moving lens groups facilitates placement of the stop 10 between liquid lens cells LLC 1 20 and LLC2 22.
Because the liquid lens cells LLC 1 20 and LLC2 22 are not moving lens groups, there is no concern that stop 10 will interfere with their proper operation. Stop 10 does not need to be equidistant between the liquid lens cells, and placement of the stop can be optimized as needed.

[0027] It is to be understood that liquid lens cells LLC 1 20 and LLC2 22 could each comprise multiple surfaces, with the surfaces being controllable and/or fixed. In some embodiments, the liquid lens cells illustrated in Figs. 1A and 113 could comprise a

28 PCT/US2010/028421 combination of two or more liquid cells. A plate may be placed between the combined cells. The plate may have an optical power that may be set as desired for the design. The liquid lens cells may also have plates on the exterior surfaces. In some embodiments, the plates on the exterior surfaces may provide optical power or a folding function. The plates and other lens elements can be spherical or aspherical to provide improved optical characteristics.
[0028] The individual lens elements may be constructed from solid-phase materials, such as glass, plastic, crystalline, or semiconductor materials, or they may be constructed using liquid or gaseous materials such as water or oil. The space between lens elements could contain one or more gases. For example normal air, nitrogen or helium could be used. Alternatively the space between the lens elements could be a vacuum. When "Air" is used in this disclosure, it is to be understood that it is used in a broad sense and may include one or more gases, or a vacuum. The lens elements may have coatings such as an ultraviolet ray filter.

[0029] Figs. 2A and 2B illustrate additional optical diagrams of the simplified variable power optical system of Figs. IA and 113, depicting rim rays 12 for an axial light beam and rim rays 14 for an off-axis field beam. The chief ray 16 of the off-axis field beam crosses the optical axis at the stop location 10, the stop location indicated by tick marks external to the rim rays. As illustrated, the incident angle 18 of the chief ray 16 of the off-axis field beams on the image plane 26 changes as the zoom lens changes from the wide position to the telephoto position.

[0030] The angle of incidence is important because it determines, to some extent, the amount of light that reaches an image sensor. An image sensor may use micro-lenses to improve photosensitivity by collecting and focusing light from a large light collecting area. However, if the size and range of incident angles through zoom are too large, the micro-lenses may not be able to direct the light to the image sensor for efficient sensing through zoom.

[0031] Consider Figs. 3A-3D, which provide exemplary illustrations of light reaching an image sensor. In Fig. 3A, the incident angle 18 of the chief light ray 28 is perpendicular to the image sensor, allowing a micro-lens to successfully direct the light rays to the image sensor. Figs. 3B and 3C also have small variances of incident angles 18.
The micro-lens array could be shifted to form an optimized micro array of lenses, allowing successful redirection of the light rays to the image sensor. Figs.
3D and 3E

have larger variances in, and size of, the incident angles 18, making it more difficult for a micro-lens to direct the rays to the image sensor.

[0032] Because the incident angle 18 of the chief light ray 28 changes as the variable power optical system changes from the wide position to the telephoto position, it is possible that the incident angle 18 for one zoom position could be as illustrated in Fig.
3B, while the incident angle 18 for another zoom position could be as illustrated in Fig.
3C. However, it may be desirable to reduce the variations of the incident angle 18.

[0033] Figs. 4A and 4B illustrate optical diagrams where a liquid lens cell LLC3 30 is placed near the image sensor. As the variable power optical system moves through the zoom range, the optical power of the liquid lens cell LLC3 also varies. The variable optical power of the liquid lens cell LLC3 30 allows minimization of the variance in, and size of, the incident angle on the image surface throughout the zoom range. For example, in one embodiment, the liquid lens cell LLC3 provides for the incident angle to be less than 10 from perpendicular to the image plane 26. In another embodiment, the liquid lens cell LLC3 provides for the incident angle to be less than 5 from perpendicular.

[0034] Although Figs. 4A and 4B illustrate lens 30 as a liquid lens cell, other types of lenses may also be used. Lengthening the overall variable power optical design may allow a standard lens to be used instead of a liquid lens cell.

[0035] The length of the variable power optical system depends, in part, on the range of optical powers provided by the liquid lens cells. The length of the lens can be minimized by utilizing liquid lens cells that have a high index difference of the liquids.
The length of the lens may also be minimized by utilizing multiple liquid lens cells and/or folding.

[0036] For simplification, Figs. IA, 1B, 2A, 2B, 4A and 4B show lens elements as plates which contain optical power. It is to be understood that the lens elements could be comprised of multiple components with different lens materials and/or optical surfaces.

[0037] Figs. 5A-5E illustrate optical diagrams of an exemplary variable power optical design. Fig. 5A illustrates the wide position, and Fig. 5E illustrates the telephoto position. Figs. 5B-5D illustrate the intermediate zoom positions. Infinity focus is used for all the zoom positions illustrated in Figs. 5A-5E.

[0038] This variable power optical design utilizes five liquid lens cells 40, 42, 44, 46 and 48, with each liquid lens cell having a variable surface 50, 52, 54, 56, and 58.

The lens group near the object space includes two liquid lens cells 40, 42 and is used to primarily assist in providing focus and zoom. The variable power optical design also includes two liquid cells 44, 46 that are used to primarily assist in providing zoom. In the illustrated embodiment, the stop 60 is between the lens group comprising liquid lens cells 40, 42 and the lens group comprising liquid lens cells 44, 46. The variable power optical design also includes a liquid lens cell 48 which partly provides for control of the incident angle at the image plane 62. In combination all five liquid lenses together provide control of focus, zoom and the incident angle of the chief ray of the off-axis field beams on the image plane as the variable power optical system changes from the wide position to the telephoto position and from infinity focus to close focus.

[0039] As illustrated in Figs. 5A-5D, the optical power provided by variable surface 54 remains fairly constant, and only changes significantly in Fig. 5E.
This illustrates that if the zoom positions are limited to the range shown in Figs.
5A-5D, liquid lens cell 44 could be replaced with a fixed lens element. Accordingly, the number of liquid lens cells could vary with the design requirements.

[0040] For the lens design shown in FIGS. 5A-5E, a listing produced by the CodeV optical design software version 9.70 commercially available from Optical Research Associates, Pasadena, CA USA is attached hereto as part of this specification and incorporated by reference in its entirety.

[0041] FIG. 6 illustrates a block diagram of a camera 100 with a variable power optical system 102. FIG. 6 also illustrates a lens control module 104 that controls the movement and operation of the lens groups in optical system 102. The control module 104 includes electronic circuitry that controls the radius of curvature in the liquid lens cells. The appropriate electronic signal levels for various focus positions and zoom positions can be determined in advance and placed in one or more lookup tables.
Alternatively, analog circuitry or a combination of circuitry and one or more lookup tables can generate the appropriate signal levels. In one embodiment, a polynomial is used to determine the appropriate electronic signal levels. Points along the polynomial could be stored in one or more lookup tables or the polynomial could be implemented with circuitry. The lookup tables, polynomials, and/or other circuitry may use variables for zoom position, focus position, temperature, or other conditions.

[0042] Thermal effects may also be considered in the control of the radius of curvature of surface between the liquids. The polynomial or lookup table may include an additional variable related to the thermal effects.

[0043] The control module 104 may include preset controls for specific zoom settings or focal lengths. These settings may be stored by the user or camera manufacturer.

[0044] FIG. 6 further illustrates an image capture module 106 that receives an optical image corresponding to an external object. The image is transmitted along an optical axis through the optical system 102 to the image capture module 106.
The image capture module 106 may use a variety of formats, such as film (e.g., film stock or still picture film), or electronic image detection technology (e.g., a CCD array, CMOS device or video pickup circuit). The optical axis may be linear, or it may include folds.

[0045] Image storage module 108 maintains the captured image in, for example, on-board memory or on film, tape or disk. In one embodiment, the storage medium is removable (e.g., flash memory, film canister, tape cartridge or disk).

[0046] Image transfer module 110 provides transferring of the captured image to other devices. For example, the image transfer module 110 may use one or a variety of connections such as, for example, a USB port, IEEE 1394 multimedia connection, Ethernet port, Bluetooth wireless connection, IEEE 802.11 wireless connection, video component connection, or S-Video connection.

[0047] The camera 100 may be implemented in a variety of ways, such as a video camera, a cell phone camera, a digital photographic camera, or a film camera.

[0048] The liquid cells in the focus and zoom groups could be used to provide stabilization, as described in U.S. Patent Application No. 12/327,666 titled "Liquid Optics Image Stabilization," filed December 3, 2008, and incorporated by reference in its entirety. By using non-moving lens groups, folds may be used to reduce the overall size as described in U.S. Patent Application No. 12/327,651 titled "Liquid Optics with Folds Lens and Imaging Apparatus," filed December 3, 2008, and incorporated by reference in its entirety. One or more moving lens groups may be used in combination with one or more liquid cells as described in U.S. Patent Application No. 12/246,224 titled "Liquid Optics Zoom Lens and Imaging Apparatus," filed October 6, 2008, and incorporated by reference in its entirety.

[00491 It is to be noted that various changes and modifications will become apparent to those skilled in the art. Such changes and modifications are to be understood as being included within the scope of the invention as defined by the appended claims.

APPENDIX
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CIR S2 14.546110 CIR S4 8.300000 CIR S7 7.200000 CIR S15 6.360000 CIR S22 5.630000 CIR S30 7.450000 PRIVATE CATALOG
PWL 656.30 589.30 546.10 486.00 'OIL C300' 1.511500 1.515000 1.518000 1.523800 REFRACTIVE INDICES
GLASS CODE 587.56 546.07 486.13 SBSL7_OHARA 1.516330 1.518251 1.521905 'WATER SPECIAL 1.333041 1.334468 1.337129 'OIL C300' 1.515107 1.518002 1.523784 665375.532651 1.665375 1.668349 1.674098 602192.583429 1.602192 1.604653 1.609374 600728.584860 1.600728 1.603177 1.607874 504789.723605 1.504789 1.506455 1.509590 846000.238000 1.846000 1.854375 1.871385 603620.582046 1.603620 1.606093 1.610837 846000.238000 1.846000 1.854375 1.871385 846000.238000 1.846000 1.854375 1.871385 844899.238246 1.844099 1.853255 1.870225 846000.238000 1.846000 1.854375 1.871385 696795.513445 1.696795 1.700026 1.706285 846000.238000 1.846000 1.854375 1.871385 718150.277137 1.718150 1.724270 1.736582 435000.950000 1.435000 1.436102 1.438030 No solves defined in system No pickups defined in system ZOOM DATA
POs 1 POS 2 POS 3 POS 4 POS 5 POS 6 POS 7 APPENDIX

8180 2.65000 2.85000 3.25000 4.05000 5.65000 2.65000 2.85000 3.25000 4.05000 5.65000 2.65000 2.85000 3.25000 4.05000 5.65000 VUY Pi -0.3725E-09 -0.3725E-09 0.00306 -0.3725E-09 0.00571 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 VLY pi -0.3725E-09 -0.3725E-09 0.00306 -0.3725E-09 0.00571 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 VUY F2 0.05687 0.11392 0.11610 -0.00887 0.00325 0.06742 0.11342 0.10296 -0.00920 -0.00385 0.07036 0.08675 0.06619 -0.00972 -0.00539 VLY F2 -0.08935 -0.05808 -0.03258 -0.01860 0.01090 -0.08457 -0.05603 -0.03544 -0.01746 -0.00717 -0.08137 -0.05993 -0.03600 -0.01608 -0.00778 VUY F3 0.09431 0.16147 0.17223 0.04722 -0.00455 0.10928 0.16289 0.16114 0.00961 -0.01311 0.11464 0.13844 0.12845 -0.01423 -0.01721 VLY F3 -0.28512 -0.17620 -0.09957 -0.04297 0.00810 -0.26913 -0.17074 -0.10314 -0.04848 -0.01968 -0.25910 -0.38634 -0.11253 -0.04547 -0.02233 WY F4 0.11536 0.18421 0.20312 0.09011 -0.01350 0.13209 0.18804 0.19354 0.05687 -0.02344 0.14215 0.16421 0.16305 003636 -0.03050 VLY F4 -0.40247 -0.31156 -0.16022 -0.06680 0.00355 -0.40062 -0.30180 -0.17902 -0.07624 -0.03317 -0.38667 -0.34030 -0.19662 -0.07031 -0.03849 Viii F5 0.32807 0.20118 0.22173 0.11870 -0.02178 0.30003 0.20732 0.21355 0.08881 -0.03294 0.30036 0.18241 0.18517 0.07093 -0.04295 vLY F5 016286 -0.27696 -0.10281 -0.01966 0.04267 0.10747 -0.26702 -0.11582 -0.00517 0.00543 0.10937 -0.08771 -0.14557 0.00273 -0.05359 WX Fl -0.3725E-09 -0.3725E-09 0.00306 -0.3725E-09 0_00511 -0.3725E-09 -0.3725E--0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 VLX Fl -0.3725E-09 -0.3725E-09 0.00306 -0.3725E-09 0.00571 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 -0.3725E-09 VUX F2 -0.02841 -0.01622 0.00335 -0.00447 0.00413 -0.02698 -0.01709 -0.00957 -0.00434 -0.00180 -0-02621 -0.01833 -0.01067 -0.00421 -0.00216 VLX F2 -0.02841 -0.01622 0.00315 -0.00447 0.00413 -0.02698 -0.01709 -0.00957 -0.00434 -0.00180 -0.02621 -0.01833 -0.01067 -0.00421 -0.00216 VUX F3 -0.08672 -0.01986 0.00375 -0.01325 0.00103 -0.08201 -0.02004 -0.01253 -0.01289 -0.00533 -0.07953 -0.05453 -0.03193 -0.01251 -0.00644 VLX F3 -0.08672 -0.01986 0.00375 -0.01325 0.00103 -0.08201 -0.02004 -0.01253 -0.01289 -0.00533 -0.07953 -0.05453 -0.03193 -0.01251 -0.00644 VUX F4 -0.10116 -0.02015 0.00526 -0.02275 -0.00231 -0.08676 -0.01941 -0.01045 -0.02217 -0.00915 -0.08125 -0.05302 -0.05497 -0.02154 -0.01115 V1.X F4 -0.10116 -0.02015 0.00526 -0.02275 -0.00231 -0.08676 -0.01941 -0.01045 -0.02217 -0.00915 -0.09125 -0.05302 -0.05497 -0.02154 -0.01115 vu1 FS -0.08530 -0.01636 0.00760 -0.03132 -0.00532 -0.07246 -0.01470 -0.00744 -0.03055 -0.01261 -0.06588 -0.04682 -0.05219 -0.02973 -0.01551 VLX F5 -0.08580 -0.01636 0.00760 -0.03132 -0.00532 -0.07246 -0.01470 -0.00744 -0.03055 -0.01261 -0.06588 -0.04692 -0.05219 -0.02973 -0.01551 RSL DEF DEF DEF DEF DEF DEF DEF
DEF DEF DEF DEF DEF DEF DEF
DEF
THI SO INFINITY INFINITY INFINITY INFINITY INFINITY 1016.00000 1016.00000 1016.00000 1016.00000 1016.00000 508.00000 508.00000 508.00000 508.00000 508.00000 APPENDIX

RDY 58 -14.01714 -14.28715 64.91944 17.09808 16.64050 -14.78526 -14.55194 77.15955 16.72454 17.20043 -15.34465 -55.41219 111.69251 16.33673 17.00916 RDY S13 -12.95955 -28.60812 -20.03033 -37.52630 25.29845 -13.16112 -28.53315 -20.86367 -61.78397 21.16847 -13.22809 -12.84828 -20.47334 -97.41536 21.72900 RDY 323 11.64471 11.62348 11.19322 14.22453 -33.45710 11.63668 11.66555 11.26519 17.53598 -16.74366 11.54512 11.54992 11.37857 17.85647 -17.54172 RDY S28 17.85087 18.00829 37.32571 -31.84040 -9.46894 17.55296 17.65507 36.20144 -25.43228 -11.66285 17.80085 18.76337 35.40865 -17.94695 -11.54073 RDY S37 11.62399 87.54952 -20.78741 -22.46557 -49.96433 12.50696 90.43217 -26.10040 -183.57265 46.37201 12.58709 30.33206 -89.96323 41.16B38 13.92311 INFINITE CONJUGATES
EFL 9.7576 12.8001 19.2934 28.9913 48.9706 9.9935 127983 18.7761 28.9816 45.3111 30.0894 12.8041 17.5187 28.9951 40.8973 BFL 0.0382 0.0750 0.0336 0.0537 -0.0140 -0.0515 -0.0823 -0.2905 -0.7325 -1.9746 -0.1367 -0.2484 -0.5050 -1.5135 -3.1099 FFL 29.6052 28.4003 25.5220 18.0016 -11.5582 29.5975 28.4270 26.1320 20.9357 2.9442 29.6364 29.4641 27.6024 23.2268 18.7867 FNO 2.6500 2.8500 3.2500 4.0500 5.6500 2.6522 2.8493 3.2362 4.0055 5.4835 2.6542 2.8494 3.2328 3.9794 5.4925 AT USED CONJUGATES
RED 0.0000 0.0000 0.0000 0.0000 0.0000 0.0096 0.0123 0.0180 0.0279 0.0445 0.0188 0.0238 0.0327 0.0546 0.0776 FNO 2.6500 2.8500 3.2500 4.0500 5.6500 2.6500 2.8500 3.2500 4.0500 5.6500 2.6500 2.8500 3.2500 4.0500 5.6500 OBJ DIS 0.158E+14 0.158E+14 0.15BE+14 0.158E+14 0.158E414 1016.0000 1016.0000 1016.0000 1016.0000 1016.0000 508.0000 508.0000 508.0000 508.0000 508.0000 TT 0.158E+14 0.158E+14 0.158E+14 0.158E+14 0.158E414 1174.7013 1174.7013 1174.7013 1174.7013 1174.7013 666.7013 666.7013 666.7013 666.7013 666.7013 IMG DIS 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 O.D000 OAL 158.7013 158.7013 158.7313 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 PARAXIAL IMAGE
HT 5.4617 5.3629 5.3457 5.4244 5.4801 5.4333 5.3773 5.3545 5.4407 5.4996 5.4435 5.3218 5.3558 5.4563 APPENDIX
5.5645 FHI 0.0382 0.0750 0.0336 0.0537 -0.0140 0.0440 0.0745 0.0479 0.0775 0.0403 0.0526 0.0566 0.0680 0.0691 0.0651 ANG 29.2373 22.7323 15.4866 10.5978 6.3851 28.4185 22.7139 15.8246 10.5088 6.7156 28.1314 22.4249 16.8515 10.4576 7.5273 ENTRANCE PUPIL
DIA 3.6821 4.4913 5.9364 7.1584 8.6674 3.7680 4.4933 5.8024 7.2355 8.2632 3.8013 4.4935 5.4191 7.2862 7.4460 THI 28.6776 29.0249 30.5915 32.2161 33.7579 28.7413 29.0450 30.5560 32.4615 33.8778 28.7814 29.5664 30.4477 32.6333 33.8750 EXIT PUPIL
DIA 38.7304 92.0441 22.5925 14.5999 9.3663 43.9781 93.0422 24.6289 18.1938 12.1038 44.6572 562.5216 33.3649 22.4594 20.1824 THI 102.6737 -262.2505 -73.3919 -59.0758 -52.9337 116.5857 -265.0953 -79.9957 -73.6068 -68.3455 118.9234-1603.1159 -108.3665 -90.8895 -113.9625 STO DIA 10.9605 12.3930 13.5504 13.4979 13.4251 11.1220 12.3597 13.2983 13.1863 12.5895 11.1483 11.8436 12.5320 12.9847 11.2591 FABRICATION DATA
19-Mar-09 LLZv645z5f3cf20v00sII
ELEMENT RADIUS OF CURVATURE APERTURE DIAMETER
NUMBER FRONT BACK THICKNESS FRONT BACK GLASS
--------------------------------------------------------------------------------------------------OBJECT INF INFINITY*6 42.0864 6.3013 1 A(1) 13.5060 CC 2.4983 29.0922 23.3208 602.583 15.2250 2 52.9866 CX -27.5870 CX 2.8410 16.6000 15.7802 665.532 0.1540 3 -27.2485 CC INF 1.0000 15.3354 14.4000 846.238 4 114F -14.0171.1 2.8884 14.4000 14.5442 WATER
-14.017111 INF 2.7031 14.5442 14.4526 'OIL C300' 6 INF -20.2974 CX 2.3320 14.4526 14.3670 603.582 0.1250 7 -21.6769 CC INF 1.0000 14.2061 14.2023 846.238 8 INF -12.9596.3 2.4950 14.2023 14.1941 WATER
9 -12.9596+3 INF 2.2237 14.1941 14.1066 'OIL C300' INF -34.7379 CX 24.2223 14.1066 12.7200 846.238 1.0625 11 -14.2403 CC 310.7243 CC 3.3257 12.6706 13.5077 SBSL7 Ohara 0.2227 APERTURE STOP 13.5504 1.4787 12 A(2) -12.4600 CX 1.8557 13.6116 14.1739 SBSL7 Ohara 0.1250 13 30.5277 Cx INF 28.6825 14.7973 11.2600 844.238 14 INF 11.6447+2 4.0686 11.2600 12.1652 WATER
11.6447-2 INF 2.6628 12.1552 12.1517 'OIL C300' 16 INF 14.8537 CC 1.0000 12.1517 12.1251 846.238 0.6777 17 25.4148 CX INF 1.7306 12.2445 12.4991 696.513 18 1NF 17.8509.4 3.8836 12.4991 14.3149 WATER
19 17.8509-4 INF 2.4994 14.3149 14.5280 'OIL C300' INF 25.7485 CC 1.0000 14.5280 14.9000 846.238 0.1250 21 16.0255 CX -125.9552 CX 3.4366 16.1595 16.2138 600.584 APPENDIX
5.3530 22 18.6256 CX -16.6742 CX 6.7993 16.2911 15.3369 504.723 0.4395 23 -14.3251 CC INF 1.0000 15-1234 15.0653 718.277 24 INF 11.6240*5 1.7685 15.0653 14.9583 WATER
25 11.6240+5 INF 5.2068 14.9583 14.4228 'OIL C300=
26 INF -128.4146 CX 13.2879 14.4228 11.4185 435.950 1.0000 11.0117 IMAGE DISTANCE = 0.0000 IMAGE INF 11.0117 --------------------------------------------------------------------------------------------------NOTES - Positive radius indicates the center of curvature is to the right Negative radius indicates the center of curvature is to the left - Dimensions are given in millimeters - Thickness is axial distance to next surface - Image diameter shown above is a paraxial value, it is not a ray traced value - Other glass suppliers can be used if their materials are functionally equivalent to the extent needed by the design;
contact the designer for approval of substitutions.

------------------------------------------------------------------------------------ASPHERIC CONSTANTS

(CURV)Y 4 6 8 10 Z = ------------------------- + (A)Y + (B)Y 4 (C)Y + (D)Y

1 4 (1-(1+K) (CURV) Y ) + (E)Y + (F)Y + (G)Y + (H)Y + (J)Y

ASPHERIC CURV K A B C D
E F G H J
--------------------------------------------------------------------------------------------------A( 1) 0.03245305 2.229363 1.71562E-05 1.94705E-08 -2.79501E-10 1.57958E-12 -2.73823E-15 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 At 2) -0.05525449 0.000000 -4.49685E-06 -8.70614E-08 3.28949E-09 -6.81321E-11 5-30692E-13 0.00000E+DO 0.00000E+00 0.00000E+00 0.00000E+00 --------------------------------------------------------------------------------------------------REFERENCE WAVELENGTH = 546.1 NM

SPECTRAL REG3ON = 486.1 - 587.6 NM
--------------------------------------------------------------------------------------------------ZOOM PARAMETERS POS. 1 POS. 2 POS. 3 POS. 4 POS. 5 POS. 6 POS. 7 POS_ B PDS 9 POS10 POS11 POS_12 POS.13 POS.14 POS.IS
.1 = -14.0171 -14.2871 64.9194 ]7.0981 16.6405 -14.7853 -14.5519 77.1596 16.7245 17.2004 -15.3446 -55.4122 111.6925 16.3367 17.0092 +2 = 11.6447 11.6235 11.1932 14.2245 -33.4571 11.6367 11.6655 11.2652 17.5360 -16.7437 31.5451 11.5499 11.3786 17-8565 -17.5417 -3 = -12.9596 -28.6081 -20.0303 -375263 25.2984 -131611 -28.5332 -20.8637 -61.7B40 21.1685 -13.2281 -12.8483 -20.4733 -97.4154 21.7290 APPENDIX

=4 = 17.8509 18.0083 37.3257 -31.8404 -9.4689 17.5530 17.6551 36.2014 -25.4323 -11.6629 17.8009 18.7634 35.4086 -17.9469 -11.5407 *5 = 11.6240 87.5495 -20.7874 -22.4656 -49.9643 12.5070 90.4322 -26.1004 -183.5726 46.3720 12.5871 30.3321 -89.9632 41.1684 13.9231 -6 = INF INF INF INF INF 1016.0000 1016.0000 1016.0000 1016.0000 1016.0000 508.0000 508.0000 508.0000 508.0000 508.0000 --------------------------------------------------------------------------------------------------POS_ 1 POS. 2 POS. 3 POS. 4 POS. 5 POS. 6 POS. 7 POS. 8 POS. 9 POS.]0 POS.11 POS.12 POS.13 POS.14 P05.15 INFINITE CONJUGATES
EFL = 9.7576 12.8001 19.2934 28.9913 48.9706 9.9935 12.7963 18.7781 26.9816 45.3111 10.0894 12.8041 17.5187 28.9951 40.8973 BFL = 0.0382 0.0750 0.0336 0.0537 -0.0140 -0.0515 -0.0823 -0.2905 -0.7325 -1.9746 -0.1367 -0.2484 -0.5050 -1.5135 -3.1099 FFL = 29.6052 28.4003 25.5220 18.0016 -11.5582 29.5975 28.4270 25.1320 20.9357 2.9442 29.6364 29.4641 27.6024 23.2268 16.7867 F/NO = 2.6500 2.8500 3.2500 4.0500 5.6500 2.6522 2.8483 3.2362 4.0055 5.4835 2.6542 2.8494 3.2328 3.9794 5.4925 AT USED CONJUGATES
REDUCTION = 0.0000 0.0000 0.0000 0.0000 0.0000 0.0096 0.0123 0.0180 0.0279 0.0445 0.0188 0.0238 0.0327 0.0546 0.0776 FINITE F/NO = 2.6500 2.8500 3.2500 4.0500 5.6500 2.6500 2.8500 3.2500 4.0500 5.6500 2.6500 2.8500 3.2500 4.0500 5.6500 OBJECT 01ST = 0.158E+14 0.158E+14 0.158E+14 0.158E+14 0.158E+14 0.1028+04 0.102E+04 0.102E+04 0.102E+04 0.102E+04 0.508E+03 0.508E+03 0.508E403 0.508E+03 0.508E+03 TOTAL TRACK = 0.158E+14 0.158E+14 0.158E414 0.258E+14 0.158E+14 0.117E+04 0.117E+04 0.117E+04 0.117E+04 0.117E+04 0667E+03 0.667E+03 0.667E+03 0.667E+03 0.667E+03 IMAGE DIST = 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 OAL = 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 158.7013 PARAXIAL
IMAGE HT = 5.4617 5.3629 5.3457 5.4244 5.4801 5.4333 5.3773 5.3545 5.4407 5.4996 5.4435 5.3218 5.3558 5.4563 5.5645 IMAGE DIST = 0.0382 0.0750 0.0336 0.0537 -0.0140 0.0440 0.0745 0.0479 0.0775 0.0403 0.0526 0.0566 0.0680 0.0691 0.0651 SEMI-FIELD
ANGLE = 29.2373 22.7323 15.4866 10.5978 6.3851 28.4185 22.7139 15.8246 10.5088 6.7156 28.1314 22.4249 16.8515 10.4576 7.5273 ENTR PUPIL
DIAMETER = 3.6821 4.4913 5.9364 7.1584 8.6674 3.7680 4.4933 5.8024 7.2355 8.2632 3.8013 4.4935 5.4191 7.2862 7.4460 DISTANCE = 28.6776 29.0249 30.5915 32.2161 33.7579 28.7413 29.0450 30.5560 32.4615 33.8778 28.7814 29.5664 30.4477 32.6333 33.8750 EXIT PUPIL
DIAMETER = 38.7304 92.0441 22.5925 14.5999 9.3663 43.9781 93.0422 24.6289 18.1938 12.1038 44.8572 562.5216 33.3649 22.4594 20.1824 APPENDIX

DISTANCE = 102.6737 -262.2505 -73.3919 -59.0758 -52.9337 116.5857 -265.0953 -79.9957 -73.6068 -68.3455 116.9234 -1603.1159 -108.3665 -90.8895 -113.9625 APER STOP
DIAMETER = 10.9805 12.3930 13.5504 13.4979 13.4251 111220 12.3597 13.2981 13.1863 12.5895 111483 11.8436 12.5320 12.9847 11.2591 --------------------------------------------------------------------------------------------------NOTES - FFL is measured from the first surface - BFL is measured from the last surface --------------------------------------------------------------------------------------------------

Classifications
International ClassificationG02B3/12, H04N5/225, G02B3/14, G02B15/00, G02B15/02
Cooperative ClassificationG02B26/005, G02B26/004, G02B15/00, G02B3/14
European ClassificationG02B3/14, G02B15/00
Legal Events
DateCodeEventDescription
26 Jan 2015EEERExamination request
Effective date: 20150113