Spec
Penta Prisms
| Model | Description | Download |
|---|---|---|
| PS931 | 10 mm Penta Prism, 7 mm x 7 mm Clear Aperture |  |
| PS932 | 20 mm Penta Prism, 14 mm x 14 mm Clear Aperture | |
| PS933 | 40 mm Penta Prism, 28 mm x 28 mm Clear Aperture | |
| PS934 | 60 mm Penta Prism, 42 mm x 42 mm Clear Aperture | |
