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William Optics Dura Bright 1.25" Dielectric Diagonal for WO-Star71 - D-125D-WO71

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Dedicated 1.25" dielectric mirror diagonal made especially for use with latest WOStar 71 II 71mm f/4.9 apo imaging refractor telescope. Allows you to use this scope visually with any 1.25" eyepiece.

This 90° 1.25" mirror-type star diagonal has a Dura-Bright mirror with 1/10 or better wave surface accuracy and dielectric mirror coatings for 99% reflectivity which provides higher contrast and resolution during critical planetary, lunar and binary star observations. The diagonal body features a dedicated M63x1 male thread adapter on the telescope side for direct coupling with the M63 female thread on the end of the focuser tube of the WOStar 71 II telescope.

The WO 1.25" Dura-Bright Diagonal for the WOStar 71 mk II telescope was designed with several unique features to provide optimum performance and years of use.

Note: Does not fix WOStar 71 mk I

Top-Notch Performance and brightness

· Dielectric coating allows 99% reflectivity.

· High precision mirror substrate flat for optimal image stability.

· Polished to 1/10th wave or better accuracy.

· Accurate design guarantees constant alignment. No further alignment needed.

Meticulous Craftsmanship

· Lock screw for eyepiece/adapter.

· Diagonal is rotatable when attached to telescope.

Strikingly Beautiful

· Patented, elegant design.

· High-quality machining out of the best aluminum.

· Internal anti-reflection baffling for highest contrast.

Weight = 230g.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

Items that have been opened, damaged or are otherwise unsaleable will be subject to a minimum 10% restocking fee, to be assessed by Telescopes Canada upon receipt of the returned goods

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Typographical Errors and Order Cancellations

Telescopes Canada reserves the right to cancel an order due to an error in pricing by Telescopes Canada or one of our suppliers, equipment being no longer obtainable, or other events which are out of our control.

Client-Initiated Cancellations

Client-initiated order cancellations are accepted prior to delivery of the equipment to the customer, thereafter it is a return.

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