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William Optics 2 Inch Carbon Fiber Dielectric Diagonal with SCT Ring

Item WIOP013

List Price: $168.00
Our Price: $168.00



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If what you are looking for is the highest achievable brightness, contrast and sharpness during critical observations with high-end instruments, WO 90-degree 2" mirror Dielectric star Diagonal is your choice. This dielectric diagonal features 100% real carbon fiber side plates that add that touch of class your scope deserves. A premium product at a discounted price. Check it out and see the difference between a "budget diagonal" and a real bargain!

Free SCT adapter with each diagonal

Included in the price you will have an SCT ring that makes your diagonal work on SC telescopes or our ZS66 series as well! Get one diagonal, use it on ANY telescope! This alone is worth US $40 and will save you the costs of buying another diagonal!

Top-Notch Performance and brightness

  • Dielectric coating allows 99% reflectivity.
  • 10 mm thick substrate flat for optimal image stability.
  • Polished to 1/10th wave accuracy. Pre-coated Flat 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 easy to turn even with gloves on.

    Strikingly beautiful

  • Patented, elegant design.
  • High-quality machining out of the best aluminum.
  • Internally antireflection threaded for highest contrast.

    Superbly Constructed

  • Compression rings (both on diagonal and adapter) to prevent barrels marring.
  • Internal safety stop prevents 2" barrels from hitting the mirror.

    Why W.O. diagonals do not feature an Adjustable alignment system?

    Having an adjustable alignment system is an admission that the diagonal can go out of collimation due to poor mechanical construction. Thanks to the patented design of WO diagonals, you will always have a diagonal that performs perfectly like the first day you got one!

    • Brand: William Optics
    Telescope Accessories Series: Diagonals & Prisms
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