LENSES FOR RAY BOX |
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| LENSES FOR RAY BOX
(1149 B) |
| Optically worked faces, ground edges, white glass, well polished size 50x45mm.
A Plano Convex
Focal Length 6cm Focal Length 7.5cm
Focal Length 10cm Focal Length 15cm
B Plano Concave
Focal Length 6cm Focal Length 15cm
Focal Length 30cm
C Bi-Convex
Focal Length 7.5cm Focal Length 15cm
Focal Length 20cm
D Bi-Concave
Focal Length 7cm Focal Length 15cm
Focal Length 20cm
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