- Price Guarantee
Introducing New model William Optics Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals!
This 90° 1.25"mirror-type star diagonal has a Dura-Bright 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 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 1/10th wave accuracy*.
• Accurate design guarantees constant alignment. No further alignment needed.
• Lock screw for eyepiece/adapter.
• Big, knurled thumbscrews are easy to turn even with gloves on.
• Threaded for 1.25" Filters
• Patented, elegant design.
• High-quality machining out of the best aluminum.
• Internal antireflection baffling for highest contrast.
• Real Carbon Fiber side plates
• Compression rings (both on diagonal and adapter) to prevent barrels from marring.
• Internal safety stop prevents 1.25" barrels from hitting the mirror.
• Designed for high-end scope
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 as perfectly as on the first day you got it!
Ultra High Dielectric 99% reflectivity.
Precision 1/10 lambda surface with 12mm thickness mirror for best quality.
2"- 1.25" adapter with stainless clamping ring,includes
Inside diameter (48mm): threaded to fit a variety of filters.
Weight : 210g
We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price then us within six months of your purchase date please let us know and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering. If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.
To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.
Our 100% Price Guarantee has some limitations:
- You must purchase the item from our website before requesting your Price Match Guarantee
- Promotions such as rebates and buy one, get one free offers are not eligible
- The item must be in stock on the competitors website
- The competitor must be an online store, they may not have a retail location
- The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
- The competitor must be an Authorized Retailer of the product in question
- The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax
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