Diagonal Prism Optical Prism inside rather than a mirror which makes your image clear and sharp
1.25 inch 45 degree mirror star diagonal for any telescope with 1.25 inch connector ;not suitable for Newtonians
More comfortable viewing orientation as you observe from above; filter thread for any 1.25 inch filter;. Accepts standard 1.25 inch eyepieces
Wider 58 Degree Field of View: The Alstar 1.25 Inch 58-Degree 6 mm wide angle telescope eyepiece is designed for astronomy enthusiasts; Offering a focal length range of 2.5 mm to 25 mm and a 58-degree wide field of view to capture more celestial details
Standard 1.25 Inch Barrel and Thread: Compatible with any telescope equipped with 1.25 inch focuser and the 1.25 inch female thread can also be connected with 1.25 inch telescope filter or other 1.25 inch telescope accessories; Whether for planetary observation or deepsky exploration this eyepiece delivers sharp and clear images meeting your high standards for stargazing
Alstar 1.25" 15mm Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
SAR 105
Alstar 1.25" 8mm Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
SAR 84
Alstar 1.25" 45-Degree Diagonal Prism - Bundle with - Universal Dovetail Base for Finder Scope
SAR 170
Alstar 1.25 Inch Mars Filter for Telescope Eyepiece - Enhance The Contrast While Observing Mars to Facilitate The Detailed Examination of Its Subtle Features - Telescope Filters for Mars Enthusiasts
SAR 199
