William Optics Diagonal Mirror Dura Bright 90° 2″
Original price was: $229.00.$97.99Current price is: $97.99.
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Product description
This star diagonal gives 99% reflection, and so provides a much brighter image than with an ordinary star diagonal.
| Connection (to the telescope) | 2"2" A standard measurement for accessories, expressed as 2 inches. 2" is equal to 50.8 millimetres.Click to read more… |
|---|---|
| Viewing posture | 90° |
| Coating of optical system | dielectric |
| Surface reflection | 99 |
| Surface accuracy | 1/12 |
| Correction of vertically reversed image | yes |
| Correction of horizontally reversed image | – |
| Ring clamp | yes |
| Filter thread | yes |
| Eyepiece adaptor | 1,25" – 2" |
| Type | Deviating optics Erecting lenses Telescopes with a focuser at the rear end require an erecting lens to ensure a comfortable viewing position.Click to read more… |
| Type of build | Diagonal mirror Zenith mirror Provides a comfortable telescope viewing position.Click to read more… |
| Outer material | aluminum & carbon |
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