William Optics Diagonal mirror Dura Bright 90° 2" (65325)

This star diagonal mirror provides 99% reflection, delivering a noticeably brighter image compared to standard star diagonals.

The Dura Bright diagonal mirror features exceptionally high reflectivity and a high surface accuracy of 1/12 lambda. The mirror substrate is extra thick at 12 millimeters, ensuring excellent temperature stability and durability.

Specifications

• Connection to telescope: 2"

• Viewing angle: 90°

• Optical coating: Dielectric

• Surface reflection: 99%

• Surface accuracy: 1/12 lambda

• Correction of vertically reversed image: Yes

• Ring clamp: Yes

• Filter thread: Yes

• Eyepiece adaptor included: 2" / 1.25"

• Outer material: Aluminum and carbon

• Type: Deviating optics

• Design: Diagonal mirror