Astromania 2" Color/Planetary Filter for Telescope - #25 Red - Bundle with - 2" 50mm Eyepiece Extension Tube Adapter

Astromania 2-Inch Telescope Eyepiece Extension Tube Adapter provide extra focuser back travel sometimes needed to achieve focus with certain eyepiece or telescope combinations. More back travel is often needed for short-range terrestrial viewing or with use of a field flattener, coma corrector, or focal reducer lens. Extension tube provides extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications. Fits in 2" telescope focusers, and accepts 2" eyepieces or accessories. Features two locking thumbscrews to secure any inserted astronomy accessory, with a brass compression insh to prevent the marring of your telescope accessories. Machined of high quality aluminum and anodized black, durable for long time use.

• Fits in 2 inch telescope focusers and accepts 2 inch eyepieces or accessories; threaded for use with standand 2-Inch astrophotography filters
• Features two locking thumbscrews to secure any inserted astronomy accessory; with a brass compression insh to prevent the marring of your telescope accessories
• Extension tube provides extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope; or for astrophotographic applications
• Metal filter cell threads directly into the 2- inch barrel of your telescope eyepiece
• Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming