Sensei PRO 49-58mm Aluminum Step-Up Ring Nikon 16101 A simple beginner's telescope designed

A simple beginner's telescope designed for astronomical use

8" and it provides -3 to 15° of tilt

11-15mm Eye Relief

XXXXL 112cm 108cm 43

Straight edge for use with map

Sensei PRO 49-58mm Aluminum Step-Up Ring Nikon 16101 A simple beginner's telescope designedUse 58mm Filters on 49mm Lens Knurled Sides for Firmer Grip Matte Black Finish Minimizes Reflections Corrosion Resistant Hard Anodized Finish The Sensei PRO 49 58mm Aluminum Step Up Ring permits the use of 58mm threaded filters on lenses with 49mm filter threads. It has large side knurls to provide a more textured grip when mounting or removing it from a lens. This step up ring features a lightweight, aluminum alloy construction that has a corrosion