Product series:
William Optics
Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
$ 3,720.00
Product can be shipped as of 15.06.2026
William Optics
Diagonal prism Cat 51 WIFD 90° 1.25"
$ 186.00
ready for shipping in 1-2
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Red OTA
$ 4,650.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 131/648 UltraCat WIFD
$ 8,100.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 1,970.00
ready for shipping in 3-5
weeks
William Optics
Guidescope Guide Star Apo 61
RRP:
$ 700.00
Our price:
$ 610.00
ready for shipping in 3-5
weeks
William Optics
Diagonal prism RedCat 90° 1,25"
$ 174.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor Pleiades 181 AP 181/998 Astrograph OTA
$ 23,300.00
ready for shipping in 6-10
weeks
William Optics
Flattener Flat68III
$ 1,020.00
ready for shipping in 3-5
weeks
William Optics
Adaptors for EAF focus motor
$ 395.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 156/1217 Fluorostar Gray OTA
$ 9,600.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 91/540 Space Gray OTA
$ 2,670.00
ready for shipping in 3-5
weeks
William Optics
1,25'' 45° Amici prism on 1,25''
$ 174.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 156/1217 Fluorostar Red OTA
$ 9,400.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
$ 2,320.00
ready for shipping in 3-5
weeks
William Optics
Vixen-Style 90mm Prism Clamp
$ 116.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
$ 1,740.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Gold OTA
$ 4,880.00
ready for shipping in 3-5
weeks
William Optics
Focusing Mask Bahtinov 172-235mm
$ 174.00
ready for shipping in 3-5
weeks
William Optics
Vixen-Style 290mm Prism Rail
$ 162.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 91/448 RedCat 91 WIFD 30th Anniversary Limited Edition
RRP:
$ 4,070.00
Our price:
$ 3,720.00
ready for shipping in 3-5
weeks
William Optics
Camera adaptor M48/Pentax K
$ 69.00
ready for shipping in 1-2
weeks
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 139.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA
$ 4,650.00
ready for shipping in 3-5
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 302.00
ready for shipping in 3-5
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 302.00
ready for shipping in 3-5
weeks
William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 186.00
ready for shipping in 3-5
weeks
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 267.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 71/350 RedCat 71 OTA
$ 2,320.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
RRP:
$ 2,550.00
Our price:
$ 2,060.00
ready for shipping in 3-5
weeks
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 81.00
ready for shipping in 3-5
weeks
William Optics
Guidescope Guide Star Apo 61
RRP:
$ 700.00
Our price:
$ 610.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 132/925 FluoroStar Red OTA
$ 6,400.00
ready for shipping in 3-5
weeks
William Optics
Adaptors for Flattener 6A
$ 104.00
ready for shipping in 3-5
weeks
William Optics
Flat6A III Special Edition FLT91
$ 500.00
ready for shipping in 3-5
weeks
William Optics
Guidescope AC 50/200 RotoLock Red OTA
$ 221.00
ready for shipping in 3-5
weeks