| ELEMENT RIGHT SURFACE RADIUS | -4.336 INCHES AND -12.338 INCHES |
| ELEMENT LEFT SURFACE RADIUS | 6.946 INCHES AND -4.336 INCHES |
| ABBE CONSTANT | 63.500 AND 33.800 |
| AXIAL THICKNESS | 0.225 INCHES NOMINAL AND 0.160 INCHES NOMINAL |
| BACK FOCAL LENGTH | 10.488 INCHES |
| COMPOUND LENS EDGE THICKNESS | 0.344 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.385 INCHES NOMINAL |
| COMPOUND LENS STYLE | DOUBLET |
| DIAMETER | 1.700 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 10.649 INCHES |
| FRONT FOCAL LENGTH | 10.103 INCHES |
| FSC APPLICATION DATA | RANGE FINDER M12,INTEGRATED WITH FIRE CONTROL EQUIP |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | GLASS OPTICAL |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.6490 NOMINAL |