GEOPTIK OPTICAL TUBE RADIUS BLOCKS Colour:Orange What many don’t know is

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

Azimuth adjustment

69 mm (minor axis)

this system may produce a poor guiding performance due to mechanical errors in gears such as: periodic error

In the great majority of mounts the mechanical errors are not dealt with at a software level

GEOPTIK OPTICAL TUBE RADIUS BLOCKS Colour:Orange What many don’t know isSet 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%