Assorted glass marbles standard size Ø40 mm (Set of 6)
Sku: 203231
Ovio instruments
€23.75
€28.50
This set of 6 lenses, with the following focal lengths: -150 mm, -50 mm, +150 mm, +200 mm, +300 mm, and +500 mm, allows for all common demonstrative applications.
| Diameter | 40 mm |
| Component quality | Standard glass, tolerance 10 % |
| Conditioning | Pack of 6 |
| Precision | 10 % |
| Rings | Without |
| Focal length in diopter | - |
| Processing | Not treated |
| Focal length | - |
| Diopter form | Miscellaneous |
| Focal (s) | -150 mm, -50 mm, +150 mm, +200 mm, +300 mm, +500 mm |