|
|
|
National Stock Number:
6650-00-382-0653
Federal Supply Class:
6650
National Item Identification Number:
003820653
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:
| 176445PC24 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 176445PC24 | 4L762 | BAUSCH AND LOMB INC OPTICAL SYSTEMS DIV OPTICAL CENTER |
|
Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 20.2 MILLIMETERS AND -14.0 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 14.0 MILLIMETERS AND 0.0 MILLIMETERS | | ABBE CONSTANT | 64.4000 AND 34.0000 | | BACK FOCAL LENGTH | 3.044 CENTIMETERS | | AXIAL THICKNESS | 2.6 MILLIMETERS NOMINAL AND 1.0 MILLIMETERS NOMINAL | | COMPOUND LENS EDGE THICKNESS | 2.5 MILLIMETERS NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 3.6 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 21.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 3.978 CENTIMETERS | | FRONT FOCAL LENGTH | 6.338 CENTIMETERS | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5170 NOMINAL AND 1.6463 NOMINAL |
|
|