| ELEMENT LEFT SURFACE RADIUS | -7.616 INCHES AND 2.148 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -2.148 INCHES AND 2.148 INCHES |
| ABBE CONSTANT | 36.600 AND 64.500 |
| AXIAL THICKNESS | 0.080 INCHES NOMINAL AND 0.649 INCHES NOMINAL |
| BACK FOCAL LENGTH | 8.333 INCHES |
| COMPOUND LENS EDGE THICKNESS | 0.502 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.729 INCHES NOMINAL |
| COMPOUND LENS STYLE | DOUBLET |
| DIAMETER | 2.218 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 7.871 INCHES |
| FSC APPLICATION DATA | TELESCOPE,INTEGRATED WITH FIRE CONTROL |
| INDIVIDUAL LENS STYLE | DOUBLE CONCAVE AND DOUBLE CONVEX |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | GLASS OPTICAL |
| REFRACTION INDEX | 1.6170 NOMINAL AND 1.5170 NOMINAL |