| ELEMENT LEFT SURFACE RADIUS | -5.709 INCHES AND 8.247 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -5.709 INCHES AND 18.864 INCHES |
| ABBE CONSTANT | 64.500 AND 33.800 |
| BACK FOCAL LENGTH | 13.418 INCHES |
| AXIAL THICKNESS | 0.163 INCHES NOMINAL AND 0.130 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.281 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.293 INCHES NOMINAL |
| COMPOUND LENS STYLE | DOUBLET |
| DIAMETER | 1.300 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 13.552 INCHES |
| FSC APPLICATION DATA | FINDER RANGE M12,INTEGRATED WITH FIRE CONTROL |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | GLASS OPTICAL |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6490 NOMINAL |