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;
A finder scope shoe is all need - mounting is easy; just slide TriFinder into existing finder scope shoe; now have 3 Vixen/Synta slots at disposal; attach a finder scope to LED finder and perhaps a laser pointer; easily be able to locate any faint object
A holder for mini guide scope: astrophotographers like to use them with auto-guider; but best thing is easy to install and fit into the Tri-Finder; so astrophotography is perhaps not young generation play; but becomes a lot easier