DURA-BRIGHT 2" DIELECTRIC 90° DIAGONAL OFF-AXIS GUIDER The GM3000 can also be

The GM3000 can also be supplied in a special version for very low temperature operations: ask our team if interested

Idea for both visual observation and astrophotography

Different from other mounts

a telescope with a 160mm front should use model FC170

ASI294MC-P

DURA-BRIGHT 2" DIELECTRIC 90° DIAGONAL OFF-AXIS GUIDER The GM3000 can also beThe William Optics Dura Bright 2" diagonal is a high quality 90 mirror type star diagonal with dielectric coatings for 99% reflectivity, giving ultra high contrast and resolution for planetary, lunar and binary star observation. The high precision 12mm thick mirror substrate is polished to 1 12th lambda accuracy for optimal image quality. Meticulously CNC machined with internal anti reflection baffling and carbon fibre side plates, the Dura Bright 2"