Aluminium Alloy Material: Made of anodizing aluminium; precision machined solid aluminum finder shoe base in matte black; for almost all viewfinder holders; for Witty 1 Tangent attachment etc; fits all lens barrel radii
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
9x50 finder scope with 50mm objective lens diameter; brighter DSOs directly visible;
Allows use of two finders with no drilling required; the material is alumina with excellent tactility; great for both visual observers and astrophotographers
Use any combination of two aiming devices you wish including finder scope; red-dot reflex sights; green laser pointer brackets; mini guide scopes, and more