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William Optics 1.25" 99% Dielectric DuraBright Carbon Fiber Star Mirror Diagonal

William Optics 1.25" 99% Dielectric DuraBright Carbon Fiber Star Mirror Diagonal

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1. PRODUCT DESCRIPTION

Introducing New 2015 model William Optics Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals! This 90° 1.25" mirror-type star diagonal from William Optics # D-125D-C-DB has a Dura-Bright mirror with 1/12 wave surface accuracy and dielectric mirror coatings for 99% reflectivity which provides higher contrast and resolution during critical planetary, lunar and binary star observations. Features a 1.25" nosepiece for insertion into refractor telescopes and other 1.25" focuser barrels.

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

The WO 1.25" 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

  • Lock screw for eyepiece/adapter.
  • Big, knurled thumbscrews are easy to turn even with gloves on.
  • Threaded for standard 1.25" filters.

Strikingly Beautiful

  • Patented, elegant design.
  • High-quality machining out of the best aluminum.
  • Internal anti-reflection 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 1.25" barrels from hitting the mirror.

Additional specifications

  • Weight = 7.9oz.

Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above.

Description copyright: Agena AstroProducts - Reproduction without permission prohibited.

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Filed under: Eyepieces & Accessories