Product series:
The telescope manufacturer William Optics offers very high-quality apochromatic and achromatic refractors which are very well suited to visual observation, and especially to astrophotography.
William Optics
Apochromatic refractor AP 51/250 RedCat WIFD
$ 1,282.54
ready for shipping in 24
h
William Optics
Guidescope UniGuide 50mm Red
$ 243.48
ready for shipping in 24
h
William Optics
Guidescope UniGuide 32mm Red
$ 196.39
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
$ 3,827.59
ready for shipping in 24
h
William Optics
40mm SWAN eyepiece, 2''
( 5 / 5 )
$ 218.43
ready for shipping in 24
h
William Optics
Polar wedge High Latitude SkyGuider Pro
RRP:
$ 416.83
Our price:
$ 393.78
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 51/178 MiniCat WIFD OTA
$ 1,382.74
ready for shipping in 24
h
William Optics
Diagonal mirror Dura Bright 90° 2"
$ 266.53
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 71/350 RedCat 71 WIFD
$ 2,545.05
ready for shipping in 24
h
William Optics
Erecting Finder 50mm 1.25"
$ 277.55
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 61/300 RedCat 61 OTA
$ 2,094.15
ready for shipping in 24
h
William Optics
Camera adaptor T-Ring Nikon Z 48mm
( 5 / 5 )
$ 87.17
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 108/518 UltraCat WIFD
$ 4,518.96
Product can be shipped as of 01.08.2025
William Optics
Cat Series Saddle Handle Bar
( 5 / 5 )
$ 92.18
ready for shipping in 24
h
William Optics
Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA
$ 5,110.13
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 156/1217 Fluorostar Gray OTA
$ 10,921.65
ready for shipping in 3-5
weeks
William Optics
DSD 210 D-Prism rail
$ 69.14
ready for shipping in 24
h
William Optics
Camera adaptor M48 compatible with Canon EOS
( 5 / 5 )
$ 69.14
ready for shipping in 24
h
William Optics
Flattner Flat61A for Z61
$ 358.71
ready for shipping in 24
h
William Optics
Adjustable Flattener Reducer Flat6AIII
$ 463.92
ready for shipping in 24
h
William Optics
4" extension adapter for Flat GT
$ 92.18
ready for shipping in 24
h
William Optics
M48 / Sony E Adaptors
$ 80.16
ready for shipping in 24
h
William Optics
Binocular telescope attachment ''BinoViewers'' with accessory package
$ 581.15
ready for shipping in 3-5
weeks
William Optics
Diagonal prism RedCat 90° 1,25"
$ 185.37
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 156/1217 Fluorostar Red OTA
$ 10,921.65
ready for shipping in 3-5
weeks
William Optics
Flat GT
$ 347.69
ready for shipping in 24
h
William Optics
Carrying handle 243mm
$ 115.23
ready for shipping in 24
h
William Optics
Apochromatic refractor Pleiades 181 AP 181/998 Astrograph OTA
$ 23,246.08
ready for shipping in 6-10
weeks
William Optics
Guidescope UniGuide 50mm Ultra
$ 243.48
ready for shipping in 24
h
William Optics
Guidescope Guide Star Apo61
$ 771.53
ready for shipping in 24
h
William Optics
Focusing Mask Bahtinov 105-148mm
$ 92.18
ready for shipping in 24
h
William Optics
Counterweight Extension Bar for iOptron Skyguider Pro
$ 70.14
ready for shipping in 24
h
William Optics
Apochromatic refractor AP Fluorostar 120/780 Gold OTA
$ 5,611.12
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Red OTA
$ 5,611.12
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA
$ 5,611.12
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
$ 921.83
ready for shipping in 24
h