Product series:

William Optics
Apochromatic refractor AP 51/178 MiniCat WIFD OTA
$ 1,410.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 108/518 UltraCat WIFD
$ 4,580.00
Product can be shipped as of 15.07.2025

William Optics
4" extension adapter for Flat GT
$ 93.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 156/1217 Fluorostar Gray OTA
$ 11,100.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA
$ 5,200.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 71/350 RedCat 71 OTA
$ 2,460.00
ready for shipping in 3-5
weeks

William Optics
Flat GT
$ 352.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 156/1217 Fluorostar Red OTA
$ 11,100.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP Fluorostar 120/780 Gold OTA
$ 5,700.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA
$ 5,700.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP Fluorostar 120/780 Red OTA
$ 5,700.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 132/925 Fluorostar Gold OTA
$ 6,900.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 132/925 Fluorostar Space Gray OTA
$ 6,700.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
RRP:
$ 2,350.00
Our price:
$ 2,240.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 91/540 Space Gray OTA
$ 3,520.00
ready for shipping in 3-5
weeks

William Optics
Flattener Flat73A for ZenithStar 73
$ 364.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
$ 930.00
ready for shipping in 3-5
weeks

William Optics
Diagonal prism RedCat 90° 1,25"
$ 188.00
ready for shipping in 3-5
weeks

William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 152.00
ready for shipping in 3-5
weeks

William Optics
Rotator Adaptors for M63 focusers
$ 176.00
ready for shipping in 3-5
weeks

William Optics
1,25'' 45° Amici prism on 1,25''
$ 164.00
ready for shipping in 3-5
weeks

William Optics
Flattener Flat68III
RRP:
$ 950.00
Our price:
$ 900.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
$ 2,360.00
ready for shipping in 3-5
weeks

William Optics
Binocular telescope attachment ''BinoViewers'' with accessory package
$ 590.00
ready for shipping in 3-5
weeks

William Optics
Full-Frame Flattener/Reducer 0.72x
$ 1,050.00
ready for shipping in 3-5
weeks

William Optics
Focusing Mask Bahtinov 172-235mm
$ 211.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 73/430 Super ZenithStar 73 Gold OTA
$ 1,180.00
ready for shipping in 3-5
weeks

William Optics
Flat6A III Special Edition FLT91
$ 640.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 71/420 Gran Turismo GT 71
$ 1,410.00
ready for shipping in 3-5
weeks

William Optics
Adapter Rotolock Adaptors 2" 1.25" Gold
$ 62.00
ready for shipping in 3-5
weeks

William Optics
Adapter Rotolock Adaptors 2" 1.25" Red
$ 62.00
ready for shipping in 3-5
weeks

William Optics
Guidescope Guide Star Apo 61
$ 780.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 132/925 FluoroStar Red OTA
$ 6,700.00
ready for shipping in 3-5
weeks

William Optics
Guidescope UniGuide 50mm Ultra
$ 246.00
ready for shipping in 3-5
weeks

William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 211.00
ready for shipping in 3-5
weeks

William Optics
Losmandy Swan Series 400mm
$ 235.00
ready for shipping in 3-5
weeks