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
$ 1,370.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 108/518 UltraCat WIFD
$ 5,200.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 32mm Red
$ 218.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 50mm Ultra
( 5 / 5 )
$ 264.00
ready for shipping in 24
h
William Optics
40mm SWAN eyepiece, 2''
( 5 / 5 )
$ 264.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 50mm Red
$ 264.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 51/250 SpaceCat WIFD OTA
$ 1,130.00
ready for shipping in 24
h
William Optics
Camera adaptor T-Ring Nikon Z 48mm
( 5 / 5 )
$ 103.00
ready for shipping in 24
h
William Optics
Diagonal mirror Dura Bright 90° 2"
$ 298.00
ready for shipping in 24
h
William Optics
Camera adaptor T-Ring Fuji FX 48mm
$ 80.00
ready for shipping in 24
h
William Optics
M48 / Sony E Adaptors
$ 80.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 131/648 UltraCat WIFD
$ 8,000.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 51/178 MiniCat WIFD OTA
$ 1,370.00
ready for shipping in 24
h
William Optics
Rotator Adaptors for M63 focusers
$ 183.00
ready for shipping in 24
h
William Optics
Camera adaptor M48 compatible with Canon EOS
( 5 / 5 )
$ 68.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/448 GreyCat 91 WIFD OTA
$ 3,670.00
ready for shipping in 24
h
William Optics
DSD 210 D-Prism rail
$ 80.00
ready for shipping in 24
h
William Optics
Apochromatic refractor Pleiades 68 AP 68/260 Astrograph OTA
$ 2,860.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 56/269 UltraCat 56 WIFD
$ 1,720.00
ready for shipping in 1-2
weeks
William Optics
Polar wedge Low Latitude SkyGuide Pro
$ 436.00
ready for shipping in 24
h
William Optics
Adapter M63 Adaptors for Flattener Flat6AIII
$ 68.00
ready for shipping in 24
h
William Optics
Adapter SCT connection for WO Diagonals
$ 80.00
ready for shipping in 24
h
William Optics
Binocular telescope attachment ''BinoViewers'' with accessory package
$ 610.00
ready for shipping in 24
h
William Optics
Adjustable Flattener Reducer Flat6AIII
$ 344.00
ready for shipping in 24
h
William Optics
4" extension adapter for Flat GT
$ 114.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
$ 3,780.00
ready for shipping in 24
h
William Optics
Extension Bar for iOptron Skyguider Pro
$ 68.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/448 RedCat 91 WIFD 30th Anniversary Limited Edition
RRP:
$ 4,010.00
Our price:
$ 3,670.00
ready for shipping in 24
h
William Optics
Rotator Rotolock Visual Back 3.5
$ 332.00
ready for shipping in 24
h
William Optics
1,25'' 45° Amici prism on 1,25''
$ 183.00
ready for shipping in 24
h
William Optics
Mounting plate for iOptron SkyGuider Pro
( 5 / 5 )
$ 68.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
$ 810.00
ready for shipping in 24
h
William Optics
Tube clamps Cat Mounting Ring
$ 91.00
ready for shipping in 24
h
William Optics
Guidescope Guide Star Apo 61
$ 560.00
ready for shipping in 24
h
William Optics
Diagonal prism Cat 51 WIFD 90° 1.25"
$ 206.00
ready for shipping in 24
h
William Optics
Camera adaptor Canon EOS R T-Mount M48
$ 103.00
ready for shipping in 24
h