GEOPTIK OPTICAL TUBE RADIUS BLOCKS Colour:Orange comets and asteroids filter

comets and asteroids filter

and it will change forever your way of thinking about astronomical observation

with timing belt reduction having zero-backlash

Azimuth adjustment

What many don’t know is that typical quartz oscillators used in electronics (and also in your typical PC) are not temperature compensated

GEOPTIK OPTICAL TUBE RADIUS BLOCKS Colour:Orange comets and asteroids filterSet of two radius blocks to fit optical tubes with a diameter of 200 to 350 mm. Compatible with Geoptik Losmandy & Vixen dovetails from 170mm length 30A059, 30A060, 30A061, 30A063, 30A064, 30A065, 30A066. The screws are included. Specifications Length 75 mm Width 15 x 15 mm Alloy composition Chemical Composition Aluminium Anticorodal AW 6082 T6 Si Fe Cu Mn Mg Cr Ni Zn Ti Pb Bi Min 0. 46% 0. 134% 0. 010% 0. 406% 0. 480% 0. 020% 0. 000% 0. 020% 0. 001%