IP Library Granted Patent US 8,804,236
Granted Patent B2
US 8,804,236 · App. 13/253,852 · Granted Aug 12, 2014

Microscopy system

Inventors: Fritz Strahle (Heubach, DE); Christoph Hauger (Aalen, DE)
Assignee: Carl Ziess Meditec AG
G02B21/025G02B21/22G02B15/14
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Quick Facts
Patent No.
US 8,804,236
App. No.
13/253,852
Granted
Aug 12, 2014
Kind
B2
Abstract

A microscope system for imaging of an object that can be placed in an object plane of a microscope system includes an imaging system for providing at least one pair of optical imaging paths that include a stereoscopic angle in the object plane. The imaging system includes a first subsystem comprising a first plurality of optical lenses that are commonly traversed by both optical imaging paths of the at least one pair of optical imaging paths. The imaging system also includes a second subsystem comprising a second plurality of optical lenses that are traversed by only one optical imaging path. At least two optical lenses of the first plurality of optical lenses and at least two optical lenses of the second plurality of optical lenses are displaceable relative to one another along a common optical imaging path to respectively vary a magnification of the representation of the object.

Claims (191)

1. A microscope system for imaging of an object that can be placed in an object plane of the microscope system, the microscope system comprising:

an imaging system for providing at least two optical imaging paths that include a stereoscopic angle in the object plane, the imaging system comprising:

a first subsystem comprising a first plurality of optical lenses that are commonly traversed by the at least two optical imaging paths; and

a second subsystem comprising a second plurality of optical lenses each of which being traversed by only one of the at least two optical imaging paths,

wherein:

at least two optical lenses of the first plurality of optical lenses that form a first zoom system and at least two optical lenses of the second plurality of optical lenses that form a second zoom system are displaceable relative to one another,

each one of the at least two optical imaging paths traverses at least four optical lenses of the second subsystem and three distances between the at least four optical lenses are adjusted to vary a magnification of a representation of the object passing through the imaging system via said one of the at least two optical imaging paths, and

wherein the imaging system further comprises a first mirror surface, a second mirror surface, a third mirror surface, and a fourth mirror surface for deflection of the at least two optical imaging paths and the at least two optical imaging paths are deflected in sequence by the first mirror surface, the second mirror surface, the third mirror surface, and the fourth mirror surface.

2. The microscope system according to claim 1 wherein the microscope system further comprises a lighting system having an optical lighting path for illuminating the object plane.

3. The microscope system according to claim 1 wherein the microscope system is a stereo microscope.

4. The microscope system according to claim 3 wherein the stereo microscope comprises a surgical microscope.

5. The microscope system according to claim 1 wherein the first mirror surface and the fourth mirror surface include an angle of between 80° and 100° relative to one another, as well as wherein the second mirror surface and the third mirror surface include an angle of between 80° and 100° relative to one another, and wherein the third mirror surface and the fourth mirror surface include an angle of between 50° and 70° relative to one another.

6. The microscope system according to claim 5 wherein the angle between the first mirror surface and the fourth mirror surface is 90°.

7. The microscope system according to claim 5 wherein the angle between the second mirror surface and the third mirror surface is 90°.

8. The microscope system according to claim 5 wherein the angle between the third mirror surface and the fourth mirror surface is 60°.

9. The microscope system according to claim 5 wherein at least one of the second mirror surface, the third mirror surface, and the fourth mirror surface is arranged between optical lenses of the first plurality of optical lenses.

10. The microscope system according to claim 1 ,

wherein at least one of the second mirror surface, the third mirror surface, and the fourth mirror surface is arranged between optical lenses of the first plurality of optical lenses.

11. The microscope system according to claim 1 ,

wherein the first plurality of optical lenses belonging to the first subsystem comprise five optical lenses sequentially traversed by the at least two optical imaging paths, the five lenses forming a retrofocus-varioscope system having the following system data:

wherein d 1 and d 2 are distances between lenses of the retrofocus-varioscope system, and AA are specified working distances from the object plane.

Radius

Thickness

Free Diameter

Surface

[mm]

[mm]

Medium

[mm]

51c

80.963

4.0

NSSK8

20.0

51b

−45.484

2.0

NSF6

20.0

51a

−123.82

8.2 . . . 1.2

Air

20.0

52e

−1524.4

3.0

SF57

20.0

52d

−40.485

2.0

NPSK53

20.0

52c

37.668

3.0

Air

20.0

52b

−34.879

2.0

NPSK3

20.0

52a

172.34

7.7 . . . 1.7

Air

20.0

53e

209.32

4.0

NPSK53

32.0

53d

−55.334

0.1

Air

32.0

53c

70.408

7.0

NPSK53

32.0

53b

−47.754

3.0

NSF6

32.0

53a

−564.00

AA = 200 . . . 400

32.0

12. The microscope system according to claim 11 , wherein distances d 1 and d 2 between lenses of the retrofocus-varioscope system for specified working distances AA are selected as follows:

AA

d1

d2

[mm]

[mm]

[mm]

200

8.16

7.74

300

3.51

3.56

400

1.18

1.72.

13. The microscope system according to claim 1 ,

wherein the first plurality of optical lenses belonging to the first subsystem comprise four optical lenses sequentially traversed by the at least two optical imaging paths, the four lenses forming a tele-varioscope system having the following system data:

Radius

Thickness

Free Diameter

Surface

[mm]

[mm]

Medium

[mm]

61c

−119.41

3.0

SF57

25.0

61b

−69.972

2.0

NBAF52

25.0

61a

126.85

d1 = 19.9 . . . 5.8

Air

25.0

62e

304.82

6.0

NPSK53

32.0

62d

−31.227

3.0

SF57

32.0

62c

−56.307

0.1

Air

32.0

62b

66.072

4.0

NPSK53

32.0

62a

−411.61

d2 = 7.0 . . . 1.1

Air

32.0

63c

−276.18

3.0

NSSK8

32.0

63b

27.297

4.0

NSF6

32.0

63a

7.864

AA = 200 . . . 400

Air

32.0

wherein d 1 and d 2 are distances between lenses of the tele-varioscope system, and AA are specified working distances from the object plane.

14. The microscope system according to claim 13 , wherein distances d 1 and d 2 between lenses of the tele-varioscope system for specified working distances AA are selected as follows:

AA

d1

d2

[mm]

[mm]

[mm]

200

19.88

7.03

300

10.52

3.26

400

5.84

1.06.

Priority Claims (2)
DE 10 2005 050 345 · Oct 20, 2005 · national
DE 10 2006 012 388 · Mar 17, 2006 · national
Continuity (2)
Division 12090629
Related Publication 20120120486A1 · May 17, 2012