2-in Durabright Diagonal CF with Thermo


The William Optics Dura Bright 2-inch Dielectric Diagonal with Carbon Fiber Plates features Ultra High Dielectric 99-percent reflectivity, precision 1/10 lambda surface with NEW 12 mm thick mirror for best quality and 2-inch to 1.25-inch adapter with brass clamping ring.

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SKU: ASC132TA Category:
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Introducing New model William Optics Dura-Bright diagonal – a dramatic step forward in the evolution of mirror diagonals!

This 90° 2″mirror-type star diagonal has a Dura-Bright 12mm thick mirror and dielectric mirror coatings for 99% reflectivity which provides higher contrast and resolution during critical planetary, lunar and binary star observations.

Dura-Bright features 100% real carbon fiber side plates that add that touch of class your scope deserves.

The WO 2″ Dura-Bright Diagonal was designed with several unique features to provide optimum performance and years of use.

Top-Notch Performance and brightness 
• Dielectric coating allows 99% reflectivity.
• high precision 12mm thick mirror substrate flat for optimal image stability.
• Polished to 1/12th wave accuracy*.
• Accurate design guarantees constant alignment. No further alignment needed.

Meticulous Craftsmanship
• 2″ to 1.25″ eyepiece adapter included.
• Lock screw for eyepiece/adapter.
• Big, knurled thumbscrews are easy to turn even with gloves on.
• Threaded for 48mm Filters

Strikingly Beautiful
• Patented, elegant design.
• High-quality machining out of the best aluminum.
• Internal antireflection baffling for highest contrast.
• Real Carbon Fiber side plates

Superbly Constructed
• Compression rings (both on diagonal and adapter) to prevent barrels from marring.
• Internal safety stop prevents 2″ barrels from hitting the mirror.
• Designed for high-end scope such as FLT-98, FLT-110 , GT/GTF102 and FLT-132.

Weight0.65 kg
Dimensions12 × 18 × 11.5 cm


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Ultra High Dielectric 99% reflectivity.
Precision 1/12 lambda surface with 12mm thickness mirror for best quality.
1.25″ adapter with stainless clamping ring,includes
Inside diameter (48mm): threaded to fit a variety of filters.
Weight : 630g
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Astronomical Solutions Company

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