William Optics
Tube clamps Cat Mounting Ring
$ 80.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 207.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
$ 2,300.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 91/448 GreyCat 91 WIFD OTA
$ 3,680.00
ready for shipping in 24
h
William Optics
Focusing Mask Bahtinov 243-308mm
$ 172.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
RRP:
$ 2,530.00
Our price:
$ 2,040.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 1,950.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 32mm Space Grey
$ 184.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 131/648 UltraCat WIFD
$ 9,000.00
ready for shipping in 3-5
weeks
Hotech
Advanced CT laser collimator for 1.25" focuser with fine adjustment
$ 700.00
Product can be shipped as of 15.06.2026
William Optics
Adapter Flat68II / Flat7A
$ 58.00
ready for shipping in 3-5
weeks
William Optics
Vixen-Style 290mm Prism Rail
$ 161.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 32mm Blue
$ 160.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 32mm Gold
$ 184.00
ready for shipping in 3-5
weeks
Hotech
2" SCA T adapter
$ 80.00
ready for shipping in 6-10
weeks
Hotech
2" SCA laser collimator - crosshair laser
$ 230.00
Product can be shipped as of 15.07.2026
William Optics
Camera adaptor M48 compatible with Nikon
$ 68.00
ready for shipping in 3-5
weeks
William Optics
Flat6A III Special Edition FLT91
$ 495.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA
$ 3,680.00
ready for shipping in 3-5
weeks
William Optics
M48 adaptors for Nikon Super high precision
$ 161.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
$ 1,720.00
ready for shipping in 3-5
weeks
Hotech
1.25" SCA laser collimator - dot laser
$ 184.00
Product can be shipped as of 15.07.2026
William Optics
Guidescope AC 50/200 RotoLock Gold OTA
$ 276.00
Sale price:
$ 220.13
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 132/925 FluoroStar Red OTA
$ 6,100.00
ready for shipping in 3-5
weeks
William Optics
Focusing Mask Bahtinov 172-235mm
$ 161.00
ready for shipping in 24
h
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 230.00
Sale price:
$ 183.25
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Gold OTA
$ 1,490.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 138.00
ready for shipping in 3-5
weeks
William Optics
Carry case ZenithStar 71 & 73
$ 115.00
ready for shipping in 24
h
Hotech
1.25" SCA laser collimator - crosshair laser
RRP:
$ 195.00
Our price:
$ 184.00
Product can be shipped as of 15.06.2026
William Optics
Rotator M92
$ 287.00
Sale price:
$ 200.54
ready for shipping in 24
h
William Optics
Adaptors for Flattener 6A
$ 103.00
ready for shipping in 3-5
weeks
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
$ 115.00
ready for shipping in 24
h