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1.25" 45-Degree Diagonal Prism Optical Prism Inside | 1.25" 90-Degree Erecting Prism Optical Prism Inside Rather Than a Mirror | 1.25" 90-Degree Diagonal Mirror | 2" 45-degree High-quality Erecting Prism Diagonal for Telescope | 2" 90-Degree Mirror Diagonal with 93% reflectivity Across Visible Spectrum | |
Customer Reviews |
4.8 out of 5 stars
14
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4.6 out of 5 stars
94
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3.8 out of 5 stars
46
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4.3 out of 5 stars
12
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4.8 out of 5 stars
16
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Price | $24.97$24.97 | $27.97$27.97 | $20.97$20.97 | $187.99$187.99 | $65.99$65.99 |
Viewing posture | 45° | 90° | 90° | 45° | 90° |
Connection (to the telescope) | 1.25" | 1.25" | 1.25" | 2" | 2" |
Coating of optical system | Fully | Fully | Fully | Fully-multi-coated | Dielectric |
Correction of vertically reversed image | ✓ | ✓ | - | ✓ | - |
Correction of horizontally reversed image | ✓ | ✓ | - | ✓ | - |
Filter thread | ✓ | ✓ | ✓ | ✓ | ✓ |
Ring clamp | - | - | - | ✓ | ✓ |
Type of build | Amici prism | Amici prism | Diagonal mirror | Amici prism | Diagonal mirror |
Type | Deviating optics | Deviating optics | Deviating optics | Deviating optics | Deviating optics |
Other contents | - | - | - | 2" to 1.25" Eyepiece Adapter | - |
Whether its the Moon, Jupiter or a beautiful nebula - in order to enjoy observing at the telescope you should always be comfortable. In many telescopes, that is only possible by using a star diagonal - which directs the image upwards by 45.This Astromania star diagonal has a 1.25" metal barrel. The chrome finish not only looks good, but is also practical, as the star diagonal always remains firmly attached to the focuser. The clamping screws lock the barrel firmly in place without scoring the nosepiece, as is the case with many cheaper products.
Simply insert the erecting prism into the 1.25" telescope; Fit for 1.25" telescope eyepiece and telescope focuser, 1.25" Star Diagonal Mirror accepts 1.25" eyepieces filters and other accessories with a 1.25” insert barrel.
There is a protective cover on the mirror surface to prevent dust from entering, and the use time will be more longer.
Protective coating on the mirror to ensure a long life. The high quality of the mirror makes the image seen clearer and brighter.Correct upside down reversed image easily. This wide 45 degree angle makes you view correct image from telescope stands.