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
Erecting Finder 50mm 1.25"
$ 266.00
ready for shipping in 24
h

William Optics
Guidescope UniGuide 32mm Red
$ 188.00
ready for shipping in 24
h

William Optics
Guidescope UniGuide 50mm Red
$ 232.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 51/250 RedCat WIFD OTA
$ 1,220.00
ready for shipping in 24
h

William Optics
40mm SWAN eyepiece, 2''
( 5 / 5 )
$ 209.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 51/178 MiniCat WIFD OTA
$ 1,330.00
ready for shipping in 24
h

William Optics
Guidescope Guide Star Apo61
$ 740.00
ready for shipping in 24
h

William Optics
Diagonal mirror Dura Bright 90° 2"
$ 255.00
ready for shipping in 24
h

William Optics
Camera adaptor T-Ring Nikon Z 48mm
( 5 / 5 )
$ 84.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 71/350 RedCat 71 WIFD OTA
$ 2,440.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 61/300 RedCat 61 OTA
$ 2,000.00
ready for shipping in 24
h

William Optics
Adjustable Flattener Reducer Flat6AIII
$ 443.00
ready for shipping in 24
h

William Optics
Flattner Flat61A for Z61
$ 343.00
ready for shipping in 24
h

William Optics
Cat Series Saddle Handle Bar
( 5 / 5 )
$ 88.00
ready for shipping in 24
h

William Optics
Camera adaptor M48 compatible with Canon EOS
( 5 / 5 )
$ 66.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 71/350 RedCat 71 OTA
$ 2,320.00
ready for shipping in 24
h

William Optics
Extension tube Verlängerungsadapter 4" für Flat GT
$ 88.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 156/1217 Fluorostar Gray OTA
$ 10,500.00
ready for shipping in 3-5
weeks

William Optics
Prism rail DSD 210
$ 66.00
ready for shipping in 24
h

William Optics
Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA
$ 4,890.00
ready for shipping in 3-5
weeks

William Optics
Polar wedge High Latitude SkyGuider Pro
RRP:
$ 399.00
Our price:
$ 377.00
ready for shipping in 24
h

William Optics
Adaptors M48 / Sony E
$ 77.00
ready for shipping in 24
h

William Optics
Counterweight Extension Bar for iOptron Skyguider Pro
$ 67.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 91/540 Red OTA
$ 3,540.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 156/1217 Fluorostar Red OTA
$ 10,500.00
ready for shipping in 3-5
weeks

William Optics
rotator Adaptors for M63 focusers
$ 166.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 73/430 Super ZenithStar 73 Gold OTA
$ 1,110.00
Product can be shipped as of 15.04.2025

William Optics
Apochromatic refractor Pleiades 181 AP 181/998 Astrograph OTA
$ 22,200.00
ready for shipping in 6-10
weeks

William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,210.00
ready for shipping in 24
h

William Optics
Flat GT
$ 332.00
Product can be shipped as of 15.04.2025

William Optics
M63 Adaptors for Flattener Flat6AIII
$ 66.00
ready for shipping in 3-5
weeks

William Optics
Polar wedge Low Latitude SkyGuide Pro
RRP:
$ 399.00
Our price:
$ 377.00
ready for shipping in 24
h

William Optics
Flattener Flat68III
RRP:
$ 890.00
Our price:
$ 850.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP Fluorostar 120/780 Red OTA
$ 5,400.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP Fluorostar 120/780 Gold OTA
$ 5,400.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA
$ 5,400.00
ready for shipping in 3-5
weeks