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2 90 Deg. Dura Bright Dielectric Diagonal

Introducing New 2015 model William Optics Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals! This 90° 1.25 mirror-type star diagonal from William Optics # D-125D-C-DB has a Dura-Bright mirror with 1/12 wave surface accuracy and dielectric mirror coatings for 99% reflectivity which provides higher contrast and resolution during critical planetary, lunar and binary star observations.

William Optics 1.25 Dielectric Diagonal w/ Carbon Fiber Plates

William Optics Digital Camera & Digital Video Adapter 52mm WC-DCL52

William Optics Telescope 2 SCT Crayford Focuser with 2 Speed Microfocuser ( Black Color ) WA-CFSCT2S

19668 - William Optics WO98FLT to OPTEC-2400 mount. – Optec, Inc.

William Optics UniGuide Scope with ZWO ASI290mm Mini Guide Camera « The Ek's Files

Telescopes WILLIAM OPTICS

William Optics 66 mm F5.9 ZenithStar SD Doublet APO STM Coated Refractor USA

Just Dropped! William Optics Pleiades Septuplet WIFD Refractors

All New Slide-base UniGuide 32mm Guide Scope. Features an anodized Vixen/Synta-style rail (not removable) at the bottom of the finder tube for direct

William Optics 32mm f/3.75 UniGuide Guidescope with Slide-Base - Available in 4 Colors

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Megrez 80 APO 12 Pages (1.28 MB) - William Optics