SVBONY SV188P Dielectric Mirror Star Diagonal, 1.25 Inch 90 Degree Mirror Diagonal, 99% Reflectivity Dielectric Coatings with Brass Compression Rings
- super flat mirror with dielectric coatings to reduce reflected light loss.
- 1.25 inches nosepiece fits 1.25 inches telescopes.
- Barlow lenses and other accessories with a 1.25in insert barrel.
- diagonal reflects the telescope’s light path 90 degree to provide a more comfortable viewing angle.
- Correct upside down and left right reversed image.
- but left and right reversed if use the 90 degrees to your telescope.
- Built in brass ring and thumbscrew accessories avoid eyepiece to rotate during adjustments.
- effortless fixes more firmly and will not scratch your eyepieces barrels.