DE2021864C3 - Greenough stereo microscope - Google Patents

Description

The invention relates to a stereo microscope according to 25 subsystems. ",

Greenough, which consists of two on one point of the object- This is achieved by making the main color

plane-directed, from objective, image inversion prisms of the first objective part parallel to the object or mirror and eyepiece composed part, while the main plane of the second objective instrument consists. In this case, a first object forms a stent perpendicular to the observation area.
«Ivdivide the object plane into infinity. while 30 According to a further suggestion of the brlindun.ü a second objective part that lies in the infinite can the / broad objectified as a stepwise ode. Image feeds the eyepiece. continuous YergrüßerimaNwechseller ausgt ^ idc.

Stereo microscopes of this type are known from wel. As a result, the lenses of the objectives and the eyepieces of the entire object plane are imaged from the lower objective lens into the ^ infinite level, individually
whose

also .... with between Obju_. .

shifted intermediate optics to change the image plane lying perpendicular to the viewing axis Enlargement produced, which is preferably supplied.

Objectively the image of the object into infinity pro- 40 In the drawing is an exemplary embodiment of one josed and the subsequent intermediate optics of the stereomicroscope type ^ after Grrcnough with the Merkeines Telescope objective to paint this image to the eyepiece of the I ii in Jung in the I-orm, dab leads. only the essential optical components schcmatic

With this kind of instruments affects are reproduced.

part from the fact that the axes of the individual parts of the 45 Objectives 1 and Γ, their main levels 2 and 2 elements are not perpendicular to the object plane. Those that lie parallel to the object level3 each project one The object plane can therefore not be in the one vertical partial image of a Gcgcnzur lying 111 of the object plane 3 Axis standing image plane can be transferred. Stand to infinity. Through the lenses 4 and When viewed with both eyes by the sub-instructor 4 ', their main level. 5 and 5 'perpendicular to the Bementc If the two opposing axes 6 and 6 'appear to lie, the images sets inclined image planes to penetrate and which can be opened by mirrors or prisms 7 and 7 can only be aligned simultaneously in their common line of intersection, in the perpendicular to the considered be seen sharply. This leads to fatigue in the image planes 8 and 8 'lying on the axis 6 and 6' Eyes occasion, and it is not possible to be pictured by one. With the eyepieces 9 and 9, the Satisfactory recordings with a flat object with a 55 two pictures with both eyes over the entire picture attachment camera to obtain. can be seen clearly at the same time.

Furthermore (see British Palentschrift 1 139 385) with the new stereomicroscope according to Greenough

a stereo microscope with a common main, the two partial images in their entirety of objectively known, in which only the eyepiece rays can be seen sharply at the same time. Also at lengthways through a corresponding mirror arrangement 60 longer work with the instrument occurs are crooked. A stereo microscope with an observer does not cause any annoying eye fatigue. common main lens fulfills the condition, with an add-on camera one obtains flat obdass the mapping of the object plane on planes projectcn, even with higher magnification) good, about takes place perpendicular to the subsystem axes. With one the whole image area sharp images.

1 sheet of drawings

the lenses of the objectives and the eyepieces the entire Objek-ehene ins unenu.icne aogLoiiaci,

The sub-instruments are rotationally symmetrical to 35 whereupon, through the upper part of the objective, the

optical axes lie. Such instruments have a roughly objective effect, this one lying in the infinite

η also with an image of the object plane in its entirety between the objective and the eyepiece

Claims (2)

with a common main ob-godfather.ansp.che: ^ Ä ^ Ä 1. Stereomicroscope according to Greenough, which consists of ^^ J ^^ S ^^^^^ two gcrichte- 5 instrument at one point on the object plane? F ^h .. ^G "™ Äsfchlcr harder behcten, from objective, image-inverting prisms or sequence that the AbbiWungsicmt -Let mirrors and eyepiece assembled together. The effort ^too . ^r ".. _{bi, d} ^B, _zen spectral instruments, with a first lens part rochromatic errors aer in the directory Depicts the object plane to infinity, while color code has a disruptive effect so «» c de * ^v * ™ Bäumeneed ⁿ £ rend a two-part lens part that is infinitely missing io «, a plane object as un feeds the horizontal image to the eyepiece, thereby allowing it to shine, is so large that d.cse indicated that the main plane (2, are not corrected. 2 ') of the first objective part (1, V) parallel to the For these reasons there are ^ J ^Ll _s ^he The object level (3) lies, while the main level, sentence areas, on ^ clc ^ n after wk «r Su (5, 5 ') of the second lens part (4, 4') perpendicular i ₅ scopes according to Greenough given the preference g and the to the viewing axis 6. 6 '). Deficiency in purchase 8 ™ «" * '^ ^ WTO ^ i 2. Stereomicroscope according to claim 1, characterized in that the second lens part (4, inclined surfaces appear as α ^ example, Js-4 ') as a step ladder or continuous ver wise the level at the left edge of the picture in the left OK - enlargement changer is formed. ™ lar does not look at the same distance as dit t..xm ^{S b} at the left edge of the image in the right eyepiece. The invention is based on the object Create stereomicroscope according to Greenough, bc which the image planes perpendicular to the axes of the