William Optics Dura Bright 1.25" Dielectric Diagonal - 1/10 Wave - 99% - 12 mm Mirror - Carbon Plates - D-125D-C-DB Motor Drives It is the most popular

It is the most popular telescope accessory around

5 kg (11 lb) Motor drive: Precision stepper motor w/128 micro-step Resolution: 0

Skill level: Beginner on up

increased resolution and contrast

William Optics Dura Bright 1.25" Dielectric Diagonal - 1/10 Wave - 99% - 12 mm Mirror - Carbon Plates - D-125D-C-DB Motor Drives It is the most popularWilliam Optics Dura Bright 1. 25" Dielectric Diagonal 1 10 Wave 99% 12 mm Mirror Carbon Plates This William Optics Dura Bright 1. 25" Dielectric Diagonal has an amazing 1 10 Wave flatness dielectric coated mirror. This mirror will not degrade your images at all. This star diagonal also sports a 99% reflectivity, 12 mm thick Mirror, so you know it will always retain its high surface flatness specification. Finally, this Dura Bright 1. 25" Dielectric