Astromania 2-Inch Telescope Eyepiece Extension Tube Adapter – Optical Length 80mm – with Standand 2-Inch Filter Threads

Price: $35.99
(as of Nov 23, 2023 16:38:26 UTC – Details)

Product Description

Astromania 2″ Telescope Eyepiece Extension Tube Adapter

Optical Length: 80mmFits in: 2″ telescope focusersCompatible with: 2″ eyepieces or accessories

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.

/ Locking Thumbscrews /

Features two locking thumbscrews to secure any inserted astronomy accessory.

/ Brass Compression Ring /

Built-in brass compression ring to prevent the marring of your telescope accessories.

/ Internal Thread Design /

Effectively reduce stray light interference, improve the brightness of the image.

/ Full Metal Material /

Machined of high quality aluminum and anodized black, durable for long time use.

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.
With this simple and useful device, you can extend the focal length of your telescope 80mm or a little more. The various models have focal lengths of 35mm, 50mm and 80mm which you can find in our store, the required spacing can be achieved by combining several extenders of differing lengths,you can use 1 piece, 2 pieces , 3 pieces of the extension tube adapter as you like.
Machined of high quality aluminum and anodized black, durable for long time use.