Glass Lenses, Double Convex, w/ground edges
|
Diameter |
Focal Length |
|
|
38mm |
50mm |
|
|
38mm |
100mm |
|
|
38mm |
150mm |
|
|
38mm |
200mm |
|
|
38mm |
300mm |
|
|
50mm |
50mm |
|
|
50mm |
100mm |
|
|
50mm |
150mm |
|
|
50mm |
200mm |
|
|
50mm |
250mm |
|
|
75mm |
175mm |
|
|
100mm |
200mm |
|
|
100mm |
500mm |
|
|
125mm |
350mm |