William Optics - 2 inch Carbon Fiber Diagonal

If what you are looking for is the highest achievable brightness, contrast and sharpness during
critical observations with high-end instruments, WO 90° 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.
• 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
• 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 designPatented*.
• 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!

Ultra High Dielectric 99% reflectivity.
Precision 1/10 lambda surface with 10mm-thick mirror.
2"- 1.25" adapter with brass clamping ring.
Inside diameter (48mm): threaded to fit a variety of filters.
Weight : 470g