Sky-Watcher 2 inch Deluxe Dielectric Diagonal: The Top Mirror for Your Refractor
This Deluxe zenith mirror combines a 2-inch mount with a dielectric coating that reflects 99% of the light. This allows large wide-field eyepieces to get the most out of your optics: greater brightness and contrast than a standard mirror, especially when observing faint nebulae and fine planetary details. The included 1.25-inch adapter is compatible with your standard eyepieces.

The hard dielectric layer is resistant to cleaning and aging. Good to know: a zenith mirror shows the image upright but in mirror image (left and right reversed). For the starry sky, that makes no difference; if you want to view landscapes or nature during the day, choose an erecting prism that fully corrects the image.
Features
- Dielectric coating with 99% reflectance
- 2 inch vatting with 1.25 inch adapter
- Hard, durable mirror coating
Compatibility
Suitable for refractors and Maksutovs with a 2-inch focuser mount; the reference choice for high-quality apochromats.
Specifications
| Type | Zenith mirror |
| Viewing angle | 90 degrees |
| Coating | Dielectric, 99% reflection |
| Mount | 2 inches |
| Oculai adapter | 1.25 inch included |
| 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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