| ELEMENT LEFT SURFACE RADIUS | -51.636 INCHES AND 2.054 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -2.054 INCHES AND 3.912 INCHES |
| ABBE CONSTANT | 51.600 AND 30.900 |
| AXIAL THICKNESS | 0.305 INCHES NOMINAL AND 0.174 INCHES NOMINAL |
| BACK FOCAL LENGTH | 9.194 INCHES |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.479 INCHES NOMINAL |
| COMPOUND LENS STYLE | DOUBLET |
| COMPOUND LENS EDGE THICKNESS | 0.363 INCHES NOMINAL |
| DIAMETER | 1.825 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 9.149 INCHES |
| FSC APPLICATION DATA | TELESCOPE T150E1,INTEGRATED WITH FIRE CONTROL EQUIPMENT |
| INDIVIDUAL LENS STYLE | PLANO-CONVEX AND MENISCUS DIVERGING |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | GLASS OPTICAL |
| REFRACTION INDEX | 1.5286 NOMINAL AND 1.6890 NOMINAL |