Triples the power of any inserted eyepiece: Triples the power of any 1.25" eyepiece without adding a very long extension between the telescope and the eyepiece
Work in diagonals or reflectors: Insert this into the telescope's eyepiece holder or diagonal first, then insert your eyepiece into the Barlow
Many application: especially helpful for boosting the magnification during lunar or planetary observations under good seeing conditions
Specification: Focal Length:18mm Barrel Size:1.25" (31.7mm) Apparent Field of View (Mfg Specified): 72 Filter Threads Standard: 1.25" Filter Thread (M28.5 x 0.6) Coatings: Fully Multi-Coated Lens Elements:5 Blackened Lens Edges: Yes Barrel Safety Recess: Yes Rubber Eye Guard: Yes
Package Includes: 1 X Barlow Lens 2 X Free dust caps
