365Astronomy 2" SC Visual Back for SCTs (Schmidt-Cassegrain Telescopes) with Extension
365Astronomy 2" SC Visual Back for Celestron and Meade SCTs (Schmidt-Cassegrain Telescopes) with Extension
This visual back includes a 31mm long SC-male / SC-female extension.
The optical length of the visual back is 43mm (without the extension) or 74mm with the extension.
Brass compression ring for safer and better grab for your eyepieces or other 2" accessories.
A 2" to 1.25" reducer is not included, but available separately.
- SC (2") female thread on the telescope side (this is NOT a M48 thread!
- 2" opening on the eyepiece side to accept standard 2" eyepieces and other accessories with a 2" diameter nosepiece
- Overall length of main part: 43mm (internal diameter or free aperture of this part is 50mm)
- Length of extension: 31mm (internal diameter or free aperture of this part is 45mm)
- Black anodized (inside and outside
- Full metal construction