Sky-Watcher 1.25-inch star diagonal: comfortable viewing without breaking your neck
When using a refractor or Maksutov pointed upward, the eyepiece is inconveniently low without an accessory. This 90-degree star diagonal deflects the light path, allowing you to comfortably look into the eyepiece from above, even for objects high in the sky. The fully coated mirror keeps the image bright.

Good to know: a star diagonal shows the image upright but mirrored (left and right reversed). For the starry sky, that doesn't matter; if you want to view landscapes or nature during the day, choose an erecting prism that fully corrects the image.
Features
- 90-degree viewing angle for a relaxed posture
- Fully coated mirror
- 1.25-inch focuser, black and silver finish
Compatibility
Suitable for refractors and Maksutovs with a 1.25-inch focuser connection. Also the correct replacement for a simple included star diagonal.
Specifications
| Type | Zenith mirror |
| Viewing angle | 90 degrees |
| Coating | Fully coated |
| Mount | 1.25 inches |
| Image | Upright, in mirror image |
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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