DURA-BRIGHT 2" DIELECTRIC 90° DIAGONAL OFF-AXIS GUIDER a telescope with a 160mm

a telescope with a 160mm front should use model FC170

screws are included

ASI2600 & ASI6200

Different from other mounts

it has absolute encoders on both axes for the best accuracy and it will change forever your way of thinking about astronomical observations

DURA-BRIGHT 2" DIELECTRIC 90° DIAGONAL OFF-AXIS GUIDER a telescope with a 160mmThe 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"