William Optics 2" 90° Dura Bright Dielectric Diagonal

William Optics 2" 90° Dura Bright Dielectric Diagonal

Description:
The William Optics 2" 90° Dura Bright diagonal is a premium-grade accessory designed to enhance visual observing with refractor and catadioptric telescopes. Its 2-inch format is ideal for wide-field eyepieces, and the advanced dielectric mirror coating ensures 99% light reflectivity—delivering brighter, more contrast-rich views.

This diagonal is built with high-quality materials and precision machining. The dielectric coating provides superior durability, resisting degradation over time and preserving excellent optical performance for years of use.

Technical specifications:
– Type: 90° dielectric mirror
– Size: 2" (50.8 mm)
– Reflectivity: 99%
– Compatibility: refractors and catadioptric telescopes
– Finish: precision-machined aluminum
– Intended use: visual observation

Additional information:
Fully compatible with all standard 2" focusers. Perfect for wide-field eyepieces and users seeking optimal contrast and brightness.