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
9x50 finder scope with 50mm objective lens diameter; brighter DSOs directly visible;
Makes a large number of aditional stars available that has a big plus for being able to successfully locate objects;