William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 183.00
ready for shipping in 3-5
weeks
William Optics
Guidescope Guide Star Apo61
$ 690.00
ready for shipping in 24
h
William Optics
Red dot finder with quick-release bracket and base
$ 137.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 206.00
ready for shipping in 3-5
weeks
William Optics
Adaptors for Flattener 6A
$ 103.00
Available on request
William Optics
Apochromatic refractor AP 91/448 GreyCat 91 WIFD OTA
$ 3,670.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
RRP:
$ 2,520.00
Our price:
$ 2,030.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 32mm Space Grey
$ 183.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 1,950.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 131/648 UltraCat WIFD
$ 9,000.00
ready for shipping in 3-5
weeks
William Optics
Losmandy Swan Series 400mm
$ 206.00
ready for shipping in 24
h
William Optics
Vixen-Style 290mm Prism Rail
$ 160.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Gold OTA
$ 1,490.00
Product can be shipped as of 30.03.2026
William Optics
Flat6A III Special Edition FLT91
$ 493.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA
$ 3,670.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
$ 1,720.00
ready for shipping in 3-5
weeks
William Optics
Focusing Mask Bahtinov 172-235mm
$ 160.00
ready for shipping in 24
h
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 229.00
ready for shipping in 24
h
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 137.00
ready for shipping in 3-5
weeks
William Optics
Carry case ZenithStar 71 & 73
$ 114.00
ready for shipping in 24
h
William Optics
Rotator M92
$ 287.00
ready for shipping in 24
h
William Optics
Camera adaptor M48/Pentax K
$ 68.00
ready for shipping in 1-2
weeks
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 80.00
ready for shipping in 3-5
weeks
William Optics
Expandable 1:10 Micro gear for Synta focuser
$ 218.00
ready for shipping in 24
h
William Optics
Carry case ZS81/GT81/GTF81
$ 114.00
ready for shipping in 24
h
William Optics
Adapter Rotolock Adaptors 2" 1.25" Gold
$ 80.00
Product can be shipped as of 30.04.2026
William Optics
Rotator Rotolock Visual Back 3.5
$ 298.00
ready for shipping in 3-5
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 298.00
ready for shipping in 3-5
weeks
William Optics
Guidescope Guide Star Apo 61
$ 690.00
ready for shipping in 3-5
weeks
William Optics
M48 adaptors for Canon EOS Super high precision
$ 160.00
ready for shipping in 3-5
weeks
William Optics
Losmandy Swan Series 400mm
$ 206.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps 90mm
$ 206.00
ready for shipping in 3-5
weeks
William Optics
Vixen-Style 90mm Prism Clamp
$ 114.00
Product can be shipped as of 30.04.2026
William Optics
Guidescope AC 50/200 RotoLock Red OTA
$ 218.00
ready for shipping in 3-5
weeks
William Optics
(Guiding) Tube clamps 50mm
$ 114.00
ready for shipping in 3-5
weeks
William Optics
Guidescope 50 mm
$ 206.00
ready for shipping in 3-5
weeks