T-2 10mm M42 Extension (T2EXT-10)

T-2 10mm M42 Extension (T2EXT-10)T 2 Extension Tubes enable you to securely set or vary the spacing between T 2 components. The tubes are available in three lengths, 5 mm, 10 mm, and 25 mm, and are provided with an internal T 2 thread at one end and an external T 2 thread at the opposite end. Full internal threading and blackening kills any stray light reflections.

This is sufficient for most catadioptric telescopes (Schmidt-Cassegrain

When inserted between the eyepiece and telescope

Focus Motor

the mount locates and tracks the Sun for hours at a time

The most compact model in our Ultima series spotting scopes

turning your long focal length telescope into a fast

AstroMaster

No matter which optic you choose

correct-image design keeps objects right-side up and left-to-right correct

A binocular can be considered “fully multi-coated” when all air-to-glass surfaces are coated with multiple layers of anti-reflectivity coatings so that the maximum amount of light passes through the glass to the eye

you can own genuine TeleVue Plössls

Compromise image quality in any part of the optical chain and you've compromised every part