Aluminium Alloy Material: Made of high strength Aluminum with Anodizing Aluminium Process; Precision machined solid aluminum finder shoe base in matte black; for almost all viewfinder holders; for the Witty 1 Tangent attachment
Easy To Install: Two large knurled thumbscrews makes it easy to install: Bases feature two large thumbscrew locks to secure your finder scope or reflex sight in place; even while wearing gloves; Just put it on the optical tube and tighten the screws
Multi Function: There are two elongated holes on this base and a single countersunk hole for screws up to M5 in the middle; Two screws are on the on side of base; The spacing between the two screws is 24 to 41 mm
Wider 58 Degree Field of View: The Alstar 1.25 Inch 58-Degree 20 mm wide angle telescope eyepieceis 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
