Description
Order No. | Magnifi- cation | Fied of view | Effective aperture | Min. scale division | Working distance | Size | Net weight |
---|---|---|---|---|---|---|---|
1990-4 | 4X | Ø58mm | Ø33mm | 0.1mm | 54mm | Ø73x77mm | 272g |
1990-7 | 7X | Ø41mm | Ø22mm | 0.1mm | 36mm | Ø55x53mm (Strap-clasp not included) | 103g |