Optically worked, back silvered, with protective coating.
| Type | .01 | .02 | .03 | .04 | .05 | .06 |
|---|---|---|---|---|---|---|
| .1 Dia.50.F.I. (mm) | 75 | 100 | 150 | 200 | 250 | 300 |
| .2 Dia.75.F.I. (mm) | 75 | 100 | 150 | 200 | 250 | 300 |
Full Specifications:
| Diameter (Dia.) | 50 F.I. (mm), 75 F.I. (mm) |
| Length (mm) | 75, 100, 150, 200, 250, 300 |




