Alstar 1.25" 45-Degree Diagonal Prism Optical Prism Inside Rather Than a Mirror which Makes Your Image Clear and Sharp
Special Features
- High quality optical Prism inside rather than a mirror which makes your image clear and sharp.
- 1.25" 45-degree mirror star diagonal for any telescope with 1.25" connector (not suitable for Newtonians).
- More comfortable viewing orientation as you observe from above, filter thread for any 1.25" filter. Accepts standard 1.25" eyepieces.
- This is a great diagonal for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes.
- Protective coating on the mirror to ensure a long life, metal barrel - for secure seating in the focuser.
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