Temporarily out of stock; will charge and ship when available.
A one-piece body, state-of-the-art 46-layer 99% reflectivity dielectric coatings, and a 1/10th wave accuracy quartz mirror are just three of the reasons this Astro-Tech 2” star diagonal is the best buy among premium star diagonals . . .
Temporarily out of stock; will charge and ship when available.
This short premium 2” mirror-type star diagonal is designed to let the diagonal swing through the fork arms of most catadioptric telescopes – very useful for keeping eyepieces and diagonals from colliding with the base of computerized telescopes when observing at the zenith in the altazimuth mode . . .
Temporarily out of stock; will charge and ship when available.
Altazimuth head with handle. Friction locks in altitude and azimuth allow user to adjust the mount drag for smoothest operation and for balancing the scope. Pre-drilled to accept optional TeleVue Sky Tour computer encoders. 1/4"-20 thread and 3/8" thread holes allow it to mount on any photo tripod legs (not re . . .
This 8mm focal length Astro-Tech AF Series very wide 70° field dual-barrel eyepiece is an excellent choice for medium high magnification observing with long focal length refractors, reflectors, or catadioptric scopes under good to somewhat better than average seeing conditions . . .
This 45° image erecting diagonal is designed to use 1.25” eyepieces in catadioptric scopes with a 1.25" visual back or in refractors with a 1.25" focuser drawtube . . .