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
Guidescope UniGuide 50mm Red
$ 227.00
ready for shipping in 24
h

William Optics
Erecting Finder 50mm 1.25"
$ 260.00
ready for shipping in 24
h

William Optics
Guidescope UniGuide 32mm Red
$ 184.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 51/250 RedCat WIFD OTA
$ 1,200.00
ready for shipping in 24
h

William Optics
40mm SWAN eyepiece, 2''
( 5 / 5 )
$ 204.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 51/178 MiniCat WIFD OTA
$ 1,300.00
ready for shipping in 24
h

William Optics
Guidescope Guide Star Apo61
$ 720.00
ready for shipping in 24
h

William Optics
Cat Series Saddle Handle Bar
( 5 / 5 )
$ 86.00
ready for shipping in 24
h

William Optics
Diagonal mirror Dura Bright 90° 2"
$ 249.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 71/350 RedCat 71 WIFD OTA
$ 2,380.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 61/300 RedCat 61 OTA
$ 1,960.00
ready for shipping in 24
h

William Optics
Camera adaptor T-Ring Nikon Z 48mm
( 5 / 5 )
$ 82.00
ready for shipping in 24
h

William Optics
Adjustable Flattener Reducer Flat6AIII
$ 433.00
ready for shipping in 24
h

William Optics
Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA
$ 4,780.00
ready for shipping in 24
h

William Optics
Flattner Flat61A for Z61
$ 336.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 71/350 RedCat 71 OTA
$ 2,270.00
ready for shipping in 24
h

William Optics
Extension tube Verlängerungsadapter 4" für Flat GT
$ 86.00
ready for shipping in 3-5
weeks

William Optics
Adaptors M48 / Sony E
$ 75.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 156/1217 Fluorostar Gray OTA
$ 10,200.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
RRP:
$ 2,160.00
Our price:
$ 2,060.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor Pleiades 68 AP 68/260 Astrograph OTA
$ 2,390.00
ready for shipping in 3-5
weeks

William Optics
Polar wedge High Latitude SkyGuider Pro
RRP:
$ 390.00
Our price:
$ 368.00
ready for shipping in 24
h

William Optics
Counterweight Extension Bar for iOptron Skyguider Pro
$ 65.00
ready for shipping in 24
h

William Optics
Prism rail DSD 210
$ 64.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 91/540 Red OTA
$ 3,460.00
ready for shipping in 3-5
weeks

William Optics
Apochromatic refractor AP 156/1217 Fluorostar Red OTA
$ 10,200.00
ready for shipping in 3-5
weeks

William Optics
Camera adaptor M48 compatible with Canon EOS
( 5 / 5 )
$ 64.00
ready for shipping in 24
h

William Optics
rotator Adaptors for M63 focusers
$ 162.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 73/430 Super ZenithStar 73 Gold OTA
$ 1,090.00
ready for shipping in 3-7
days

William Optics
Apochromatic refractor Pleiades 181 AP 181/998 Astrograph OTA
$ 21,700.00
ready for shipping in 6-10
weeks

William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,160.00
ready for shipping in 24
h

William Optics
Flat GT
$ 325.00
ready for shipping in 3-7
days

William Optics
M63 Adaptors for Flattener Flat6AIII
$ 64.00
ready for shipping in 3-5
weeks

William Optics
Polar wedge Low Latitude SkyGuide Pro
RRP:
$ 390.00
Our price:
$ 368.00
ready for shipping in 24
h

William Optics
Flattener Flat68III
RRP:
$ 870.00
Our price:
$ 830.00
ready for shipping in 3-5
weeks

William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 195.00
ready for shipping in 3-5
weeks