Part Details | OPTICAL INSTRUMENT LENS
6650-00-130-8717 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.
Alternate Parts: 105476PC8, 105476PC8, 6650-00-130-8717, 00-130-8717, 6650001308717, 001308717
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-130-8717 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-130-8717
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 105476PC8 | 64804 | BAUSCH AND LOMB INCOPTHALMIC INSTRUMENT DIV |
| 105476PC8 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-130-8717
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | MENISCUS AND DOUBLE CONVEX |
| DIAMETER | 80.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 1.0 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 3.0 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 44.0 MILLIMETERS AND 58.6 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | -58.6 MILLIMETERS AND 26.5 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 3.257 CENTIMETERS |
| BACK FOCAL LENGTH | 3.133 CENTIMETERS |
| FRONT FOCAL LENGTH | 3.189 CENTIMETERS |
| REFRACTION INDEX | 1.6170 NOMINAL |
| ABBE CONSTANT | 36.500 |
| END ITEM IDENTIFICATION | RANGEFINDER MK28 |