Svbony 1.25 inch 45 degree arcing prism diagonal allows you to enjoy a great optical experience. Designed for refractor and catadioptric telescopes, not for reflector telescopes.
The Svbony 90 degree Diagonal coating is precision machined to achieve and maintain good optical alignment. A non-marring brass compression ring inside to secure your valuable eyepieces without any scratch
SVBONY 45 Degree Diagonal has BK7 prism to ensure high-quality optical characteristics. The black line design inside the lens barrel can prevent glare and make the image clearer.
Svbony SV117 1.25'' 90-degree erect image prism diagonal for telescope. It can be used with refractor telescopes and some catadipotric telescopes, not intended for use with reflector telescopes like Newtonian/Dobsonian reflector telescopes.
The Svbony mirror diagonal is suitable for refractors, Celestron EQ, Meade Infinity and similar telescopes. It is not suitable due to the length reflectors for Newton.