William Optics 1.25" Dielectric Diagonal w/carbon fiber plates


William Optics 1.25" Dielectric Diagonal 1/10λ with FULL carbon fiber plates, 99 % reflectivity

You do not have to renounce having a quality 1.25" diagonal! Built like the renowned 2" Willaim Optics diagonal, this dielectric coating diagonal will give you all you need for a lifetime of observations with the highest achievable brightness, contrast and sharpness. A premium product at a discounted price. Check it out and see the difference between a "budget diagonal" and a real bargain!

Top-notch Performance and Brightness
• Dielectric coating allows 99% reflectivity.
• 10mm thick substrate flat for optimal image stability.
• Polished to 1/10th wave accuracyPre-coated Flat 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.

Strikingly Beautiful
• Patented, elegant designPatented*.
• High-quality machining out of the best aluminum.
• Real Carbon Fiber side plates.
• Internally antireflection threaded for highest contrast.

Superbly Constructed
• Compression ring to prevent barrels from marring.
• Internal safety stop prevents 1.25” barrels from hitting the mirror.

Why William Optics 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 William Optics diagonals, you will always have a diagonal that performs as perfectly as on the first day you got it!


We currently do not have physical stock of this product and will order it upon receipt of a  80% deposit.  An updated quote may be requested beforehand - see next bullet.

Price is based on the following:

       R10.30/$ mid-market exchange rate
       40% shipping fee
       Excludes local delivery

Final price will be based on the actual costs applicable.  The remainder is payable before or on collection/delivery to the customer.
Delivery is typical 2 to 3 weeks to our offices.

Please en-quire for final arrangement details.

Add to Cart:

  • Model: WO_D_125D
  • Shipping Weight: 3kgs
  • 2 Units in Stock
  • Manufactured by: William Optics

This product was added to our catalog on Wednesday 06 October, 2010.

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