Product series:
Telescopes: Telescope accessories: Eyepieces: Mountings & accessories:
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
SCT connection for WO Diagonals
$ 64.00
ready for shipping in 3-5
weeks
William Optics
M63 Adapter für Flattener Flat6AIII
$ 64.00
ready for shipping in 24
h
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 75.00
ready for shipping in 3-5
weeks
William Optics
Carry case ZS81/GT81/GTF81
$ 108.00
ready for shipping in 24
h
William Optics
Carry case ZenithStar 71 & 73
$ 108.00
ready for shipping in 24
h
William Optics
Carry case ZenithStar 61
$ 97.00
ready for shipping in 24
h
William Optics
Erecting Finder 50mm 1.25"
$ 260.00
ready for shipping in 24
h
William Optics
Diagonal prism RedCat 90° 1,25"
$ 173.00
ready for shipping in 24
h
William Optics
Diagonal mirror Dura Bright 90° 2"
$ 249.00
ready for shipping in 3-5
weeks
William Optics
Binocular telescope attachment ''BinoViewers'' with accessory package
$ 550.00
ready for shipping in 3-5
weeks
William Optics
40mm SWAN eyepiece, 2''
( 5 / 5 )
$ 204.00
Product can be shipped as of 05.06.2024
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
Our price:
RRP:
$ 2,380.00
$ 1,920.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
$ 1,300.00
ready for shipping in 3-5
weeks
William Optics
Camera adaptor T-Ring Nikon Z 48mm
( 5 / 5 )
$ 82.00
ready for shipping in 24
h
William Optics
Camera adaptor T-Ring Fuji FX 48mm
$ 75.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 61/300 RedCat 61 OTA
$ 1,960.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
$ 2,170.00
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 24
h
William Optics
Adapter Flat68II / Flat7A
$ 64.00
ready for shipping in 24
h
William Optics
Camera adaptor M48/Pentax K
$ 70.00
ready for shipping in 3-7
days
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 184.00
ready for shipping in 3-5
weeks
William Optics
Flat6A III Special Edition FLT91
$ 590.00
ready for shipping in 3-5
weeks
William Optics
Vixen Style Mounting Base
$ 43.90
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Red OTA
$ 5,200.00
ready for shipping in 3-5
weeks
William Optics
Sucherschuh Black&White Cat Vixen-Style
$ 86.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Gold OTA
$ 5,200.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 132/925 FluoroStar Red OTA
$ 6,200.00
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
Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA
$ 5,200.00
ready for shipping in 3-5
weeks
William Optics
Red dot finder with quick-release bracket and base
$ 141.00
ready for shipping in 3-5
weeks
William Optics
Dura Bright 1.25" 90° mirror star diagonal
Our price:
RRP:
$ 195.00
$ 173.00
ready for shipping in 24
h
William Optics
1,25'' 45° Amici prism on 1,25''
$ 151.00
ready for shipping in 3-5
weeks
William Optics
Expandable 1:10 Micro gear for Synta focuser
$ 156.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 71/350 RedCat 71 WIFD OTA
$ 2,380.00
ready for shipping in 6-10
weeks
William Optics
Apochromatic refractor AP 51/250 RedCat WIFD OTA
$ 1,200.00
ready for shipping in 6-10
weeks
William Optics
Rotolock Adapter 2" 1,25" Gold
$ 57.00
ready for shipping in 3-5
weeks
William Optics
Rotolock Adapter 2" 1.25" Red
$ 57.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 51/250 RedCat 51 OTA
( 5 / 5 )
RRP:
$ 1,300.00
Our price:
RRP:
$ 1,300.00
$ 1,160.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 132/925 Fluorostar Space Gray OTA
$ 6,200.00
ready for shipping in 3-5
weeks
William Optics
Camera adaptor Adapter M48 / Sony E
$ 75.00
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
Camera adaptor Canon EOS R T-Mount M48
$ 86.00
ready for shipping in 24
h
William Optics
Montageplatte für iOptron SkyGuider Pro
( 5 / 5 )
$ 55.00
ready for shipping in 24
h
William Optics
Camera adaptor Adapter M48 für Canon EOS Super high precision
$ 140.00
ready for shipping in 24
h
William Optics
Camera adaptor Olympus T-Mount
$ 75.00
ready for shipping in 3-5
weeks
William Optics
Prismenschiene DSD 210
$ 64.00
ready for shipping in 24
h
William Optics
Camera adaptor M48 compatible with Canon EOS
( 5 / 5 )
$ 64.00
ready for shipping in 24
h
William Optics
Camera adaptor M48 compatible with Nikon
$ 55.00
ready for shipping in 24
h
William Optics
Prismenschiene Vixen-Style 290mm
$ 162.00
ready for shipping in 3-5
weeks
William Optics
Prismenklemme Vixen-Style 90mm
$ 108.00
ready for shipping in 24
h
William Optics
Camera adaptor Adapter M46 für Canon EOS
$ 108.00
ready for shipping in 24
h
William Optics
Focusing Mask Bahtinov 105-148mm
$ 86.00
ready for shipping in 24
h
William Optics
(Leit-)Rohrschellen 50mm
$ 108.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 216.00
ready for shipping in 3-5
weeks
William Optics
Losmandy Swan Series 400mm
$ 216.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 173.00
ready for shipping in 3-5
weeks
William Optics
Guidescope UniGuide 32mm Red
$ 184.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 32mm Space Grey
$ 173.00
ready for shipping in 3-5
weeks
William Optics
Focusing Mask Bahtinov 75-110mm
$ 75.00
ready for shipping in 24
h
William Optics
rotator Rotolock Visual Back 3.5
$ 303.00
ready for shipping in 3-5
weeks
William Optics
rotator Rotolock Visual Back 3.5
$ 303.00
ready for shipping in 3-5
weeks
William Optics
rotator Rotolock Visual Back 3.5
$ 303.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps 90mm
$ 205.00
ready for shipping in 3-5
weeks
William Optics
Rotolock M54 2" Silver
$ 140.00
ready for shipping in 24
h
William Optics
rotator Adapter für M63 Fokussierer
$ 162.00
ready for shipping in 24
h
William Optics
Focusing Mask Bahtinov 243-308mm
$ 173.00
ready for shipping in 24
h
William Optics
Full-Frame Flattener/Reducer 0.72x
$ 970.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 140.00
ready for shipping in 3-5
weeks
William Optics
Camera adaptor STL-1100 adapter for FLT field flattener
Our price:
RRP:
$ 173.00
$ 111.00
ready for shipping in 3-5
weeks
William Optics
Rotator M92
$ 281.00
ready for shipping in 3-5
weeks
William Optics
Guidescope UniGuide 32mm Gold
$ 184.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 50mm Gold
$ 238.00
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
Polar wedge Low Latitude SkyGuide Pro
Our price:
RRP:
$ 390.00
$ 368.00
ready for shipping in 24
h
William Optics
Guidescope AC 50/200 RotoLock Gold OTA
$ 205.00
ready for shipping in 24
h
William Optics
Polar wedge High Latitude SkyGuider Pro
Our price:
RRP:
$ 390.00
$ 368.00
ready for shipping in 24
h
William Optics
Flattener Flat73A for ZenithStar 73
$ 336.00
ready for shipping in 24
h
William Optics
Guidescope 50mm
$ 184.00
ready for shipping in 3-5
weeks
William Optics
Guidescope Guide Star Apo 61
$ 720.00
ready for shipping in 24
h
William Optics
Adjustable Flattener Reducer Flat73R for ZenithStar 73
$ 433.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
$ 980.00
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
Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
$ 1,040.00
ready for shipping in 24
h
William Optics
Guidescope Guide Star Apo61
$ 720.00
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 3-5
weeks
William Optics
Flattner Flat61A for Z61
$ 336.00
ready for shipping in 3-5
weeks
William Optics
Adjustable Flattener Reducer Flat7A
$ 860.00
ready for shipping in 24
h
William Optics
Guidescope Guide Star Apo 61
$ 720.00
ready for shipping in 24
h
William Optics
Adjustable Flattener Reducer Flat6AIII
$ 433.00
ready for shipping in 24
h
William Optics
Flattener Flat68III
Our price:
RRP:
$ 870.00
$ 830.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 Red OTA
$ 1,620.00
ready for shipping in 24
h
William Optics
Camera adaptor Adapter M48 für Nikon Super high precision
$ 140.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/540 Space Gray OTA
$ 3,250.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 91/540 Red OTA
$ 3,460.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 132/925 Fluorostar Gold OTA
$ 6,300.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 61/360 ZenithStar ZS61 II OTA
Our price:
RRP:
$ 990.00
$ 870.00
ready for shipping in 24
h
William Optics
Tube clamps Cat Mounting Ring
$ 75.00
ready for shipping in 24
h
William Optics
Focusing Mask Bahtinov 172-235mm
$ 195.00
ready for shipping in 24
h
William Optics
Guidescope UniGuide 50mm Red
$ 227.00
ready for shipping in 24
h
William Optics
Guidescope AC 50/200 RotoLock Red OTA
$ 216.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,160.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,160.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 Gold OTA
$ 1,620.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
Our price:
RRP:
$ 2,160.00
$ 1,690.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 73/430 Super ZenithStar 73 Red OTA
Our price:
RRP:
$ 1,090.00
$ 980.00
Product can be shipped as of 01.09.2024