William Optics 90 degree Erecting Prism
High quality 90 degree erecting prism for dual Astronomical and Terrestrial use.
- High quality BAK4 with new FMC coating
- Materials Entirely machined aluminum
Angle 90 degree.
- Prism clear aperture 40 mm
- 2"-1.25" adapter with brass compression rings.
- Weight 560 g