William Optics 1.25" DuraBright Diagonal for Star71 Telescope

William Optics 1.25" DuraBright Diagonal for Star71 Telescope
Item # WO-D-125D-WO71
1 Questions(s)

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  • The William Optics DuraBright 1.25" diagonal features 1/12th wave precision dielectric coatings. Made for the Star71 refractor.
  • 99% reflectivity.
  • Dedicated 65mm female thread.
  • Carbon fiber side plates and precision aluminum body.



About the William Optics Dura Bright Diagonal for Star71 Refractor Telescope

William Optics Dura-Bright diagonal utilizes a 12mm thick mirror with precision dielectric coatings for 99% reflectivity.  This 2" diagonal Increased contrast and resolution provide the best possible views of the planets, moon and binary stars.   The thickness of the mirror ensures years of premium performance and provides a completely flat surface for he coatings for total image stability.   Polished to 1/12th wave accuracy and expertly crafted for durability.   Built in internal safety stop prevents the 1.252" barrel from hitting the mirror. The Dura bright diagonals feature true carbon fiber side plates.  

Designed to work with the 71mm Star refractor by William Optics which uses a dedicated 65mm thread.

Additional Information

Additional Information

SKU WO-D-125D-WO71
Diagonal Type Star Diagonal
Diagonal Size 1.25"
Manufacturer William Optics
Warranty 2 Year Warranty
Questions & Answers

Product Questions

Please could you give us instruction on how to attach this diagonal to the WO Star 71 ? I haven't been able to find the way to attach it! (I bought the Star 71 through OPT). There seems to be no way, the 65 mm male from my Star 71 has no thread ! Please help!
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