Sky-Watcher 2-inch erecting prism with phase coating: modern corrected viewing
This Amici prism displays the image fully corrected, upright, and unmirrored, utilizing modern optics for this purpose: the roof prism is phase-coated, which increases the contrast and sharpness that are lost in uncoated roof prisms. Broadband anti-reflection coatings keep light transmission high.

The eyepiece clamp with compression ring accepts both 2-inch and 1.25-inch eyepieces, the nosepiece has 2-inch filter threads, and the patented 2-inch bayonet interface prevents sagging and twisting. Those who prefer the luxury CNC brass version can look at the Deluxe erecting prism.
Features
- Fully corrected image: upright and not mirrored
- Phase-coated roof prism for high contrast
- Clamp with compression ring for 2 and 1.25 inch eyepieces
- Anti-slip 2 inch interface, 2 inch filter thread
Compatibility
Suitable for refractors and Maksutov-Cassegrains with a 2-inch focuser connection.
Specifications
| Type | Amici roof prism |
| Viewing angle | 45 degrees |
| Image | Upright and not mirrored (fully corrected) |
| Prism | Roof prism with phase coating |
| Coating | Broadband anti-reflection |
| Mount | 2 inch with filter thread, clamp for 2 and 1.25 inch |
The disassembly of Sky-Watcher is a base that will last you for years. Unsure which mount is best for your telescope and your goals? Contact us, we'd be happy to help you decide.





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