|
|
|
National Stock Number:
6650-00-763-2695
Federal Supply Class:
6650
National Item Identification Number:
007632695
Description:
LENS,OPTICAL INSTRUMENT
Detail:
An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.
|
Manufacturer Information:
| 7632695 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 1.510 INCHES AND -1.510 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -1.510 INCHES AND -5.967 INCHES | | ABBE CONSTANT | 57.400 AND 33.800 | | AXIAL THICKNESS | 0.363 INCHES NOMINAL AND 0.105 INCHES NOMINAL | | BACK FOCAL LENGTH | 2.073 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.187 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.468 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.185 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 2.326 INCHES | | FSC APPLICATION DATA | FINDER,RANGE,T46E1,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5730 NOMINAL AND 1.6490 NOMINAL |
|
|