| ELEMENT LEFT SURFACE RADIUS | 72.460 MILLIMETERS AND 485.290 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 485.290 MILLIMETERS AND 158.060 MILLIMETERS |
| ABBE CONSTANT | 55.000 AND 30.900 |
| AXIAL THICKNESS | 7.000 INCHES NOMINAL AND 4.500 INCHES NOMINAL |
| BACK FOCAL LENGTH | 22.030 CENTIMETERS |
| COMPOUND LENS EDGE THICKNESS | 9.000 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 11.500 MILLIMETERS NOMINAL |
| COMPOUND LENS STYLE | DOUBLET |
| DIAMETER | 50.000 MILLIMETERS NOMINAL |
| EQUIVALENT FOCAL LENGTH | 23.416 CENTIMETERS |
| FRONT FOCAL LENGTH | 24.145 CENTIMETERS |
| INDIVIDUAL LENS STYLE | PLANO-CONVEX AND PLANO-CONCAVE |
| MATERIAL | GLASS |
| REFRACTION INDEX | 1.6170 NOMINAL AND 1.6890 NOMINAL |