| ELEMENT RIGHT SURFACE RADIUS | -0.709 INCHES AND -3.284 INCHES |
| ELEMENT LEFT SURFACE RADIUS | 0.793 INCHES AND -0.709 INCHES |
| ABBE CONSTANT | 64.500 AND 33.800 |
| AXIAL THICKNESS | 0.434 INCHES NOMINAL AND 0.145 INCHES NOMINAL |
| BACK FOCAL LENGTH | 1.281 INCHES |
| COMPOUND LENS EDGE THICKNESS | 0.460 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.579 INCHES NOMINAL |
| COMPOUND LENS STYLE | DOUBLET |
| DIAMETER | 1.468 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 1.446 INCHES |
| FRONT FOCAL LENGTH | 1.006 INCHES |
| FSC APPLICATION DATA | TELESCOPE,INTEGRATED WITH FIRE CONTROL |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | GLASS OPTICAL |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6170 NOMINAL |