William Optics Cat Mounting Ring - M-MR50RC-BL Astrographs It runs on 8 AA

It runs on 8 AA batteries (batteries are NOT included)

This P130 Tabletop Dobsonian Telescope is their Collectable International Year of Astronomy Special Edition

Explore Scientific 52° 40 mm Waterproof

With the Celestron Nature DX Binocular series

Universal (Vixen-style) dovetail bar

William Optics Cat Mounting Ring - M-MR50RC-BL Astrographs It runs on 8 AAWilliam Optics Cat Mounting Ring William Optics Cat Mounting Ring Allows mounting the WO Space Cat Clamshell Type Mounting Ring Suitable to mate with the (Optional) Cat Saddle and Handle This is the William Optics Cat Mounting Ring. This WO Mounting Ring uses the standard clamshell type open close attachment method to secure or release your telescope instrument. The Cat Mounting Ring from William Optics is provided in black anodized aluminum