With this diagonal you can match the orientation of the star field with "correct" star maps and charts. It produces an image that is oriented properly, which means that the image is upright but reversed left to right.
This is a great diagonal for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes.
More comfortable viewing orientation as you observe from above, filter thread for any 1.25" filter. Accepts standard 1.25" eyepieces.
High quality optical Prism inside rather than a mirror which makes your image clear and sharp.
Economical 1.25" 90-deg prism diagonal for astronomical telescopes and spotting scopes.
Alstar 2" Color/Planetary Filter for Telescope - #80A Blue
KWD 13.500
Alstar Guide Scope Mount - The Convenient Way to Mount Your Guide Scope
KWD 62
Alstar 2" Narrowband NBPF Hydrogen-a 12nm Filter - Enhances The Contrast Between Object and Sky - Allows You to Take Images Even Under Urban Skies
KWD 55.500
Alstar 1.25" Multiple 5-Position Filter Wheel for Telescope
KWD 21.500
