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;
Aluminum Finder Mount Bracket: All aluminum alloy metal construction and anodizing aluminium process, extending the using cycle of this premium finder scope bracket; great for both visual observers and astrophotographers
Drilled "but not threaded" to accommodate screws up to 5mm in diameter; center-to-center screw hole spacing on your telescope must be 20mm "0.79inch" in order for this dovetail base to be compatible
Fits any diameter telescope tube except Schmidt-Cassegrain telescope optical tubes; the base is made of die-cast metal and features a large thumbscrew lock; Includes two M5 screws