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TM 9-258
*PART OF BONDED PORRO REFLECTOR ASSEMBLY
LEFT END HOUSING ASSEMBLY OPTICAL COMPONENTS
1.
End housing window
12. Right coincidence reticle window
2.
End housing penta reflector
13. Collimator lens
3.
End housing correction wedge
14. Right coincidence reticle
4.
Range finder end window
15. First collective lens
5.
Filter
16. Main boresight (gunlaying) reticle
6.
Porro reflector (part of bonded porro reflector assembly)
17. Second collective lens
7.
Porro reflector (part of bonded porro reflector assembly)
18. First erector lens
8.
Objective lens
19. Correction wedge
9.
Corrective wedge
20. Correction wedge
10.
Corrective wedge
21. Correction wedge.
11.
Right reticle lamp
RIGHT END HOUSING ASSEMBLY OPTICAL COMPONENTS
22.
End housing window
23.
End housing penta reflector
24.
End housing correction wedge
RIGHT MAIN HOUSING ASSEMBLY OPTICAL COMPONENTS
25.
Range finder end window
41. Beam splitter prism
26.
Filter
42. Eyepiece field stop
27.
Compensator lens
43. Field lens
28.
Compensator lens
44. Eye lens
29.
Range scale prism
45. Combining prism
30.
Porro reflector (part of bonded porro reflector assembly)
46. Left ocular prism
31.
Porro reflector (part of bonded porro reflector assembly)
47. Left reticle lamp
32.
Prism
48. Left coincidence reticle window
33.
Objective lens
49. Left coincidence reticle
34.
Porro prism
50. First 90-degree prism
35.
Reticle lens
51. Second erector lens
36.
ICS wedge
52. Second 90-degree prism
37.
Reticle lens
53. Reticle lamp
38.
Correction wedge
54. Diffusion disk
39.
Collimator lens
55. Auxiliary boresight (gunlaying) reticle
40.
Right ocular prism
56. Reticle mirror
Figure 8-23. Optical system schematic.
8-20

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