William Optics
Apochromatic refractor AP Fluorostar 120/780 Red OTA
$ 4,680.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP Fluorostar 120/780 Gold OTA
$ 4,680.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 91/540 Space Gray OTA
$ 2,690.00
ready for shipping in 3-5
weeks
William Optics
Camera adaptor M48 compatible with Nikon
$ 70.00
ready for shipping in 3-5
weeks
Shelyak
Timebox II
$ 218.00
ready for shipping in 1-2
weeks
Shelyak
Spectroscope LISA near IR
$ 5,300.00
ready for shipping in 1-2
weeks
Shelyak
Successfully Starting in Astronomical Spectroscopy
$ 59.00
ready for shipping in 1-2
weeks
William Optics
Carry case ZenithStar 61
$ 93.00
ready for shipping in 24
h
William Optics
Camera adaptor Canon EOS R T-Mount M48
$ 105.00
ready for shipping in 3-5
weeks
William Optics
M48 adaptors for Nikon Super high precision
$ 163.00
ready for shipping in 24
h
Unihedron
Photometer Sky Quality meter, Ethernet, with lens (version LE)
$ 398.00
ready for shipping in 24
h
Unihedron
SQM tripod adaptor option
$ 35.90
ready for shipping in 24
h
William Optics
Adapter Rotolock Adaptors 2" 1.25" Gold
$ 81.00
Product can be shipped as of 30.04.2026
William Optics
Guidescope UniGuide 32mm Gold
$ 187.00
ready for shipping in 3-5
weeks
William Optics
Guidescope AC 50/200 RotoLock Gold OTA
$ 280.00
Sale price:
$ 223.68
ready for shipping in 24
h
Shelyak
eShel injection unit f/6 50µm
$ 3,980.00
ready for shipping in 1-2
weeks
Shelyak
Alpy & UVEX guiding module
$ 1,250.00
ready for shipping in 1-2
weeks
William Optics
Guidescope UniGuide 50mm Gold
$ 234.00
ready for shipping in 3-5
weeks
William Optics
Losmandy Swan Series 400mm
$ 210.00
ready for shipping in 3-5
weeks
William Optics
Vixen-Style 290mm Prism Rail
$ 163.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 71/420 Gran Turismo GT 71
$ 1,400.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 61/300 RedCat 61 OTA
$ 2,100.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 1,980.00
ready for shipping in 24
h
William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 187.00
ready for shipping in 3-5
weeks
Shelyak
SPOX module Alpy/LISA 0.8m
$ 540.00
ready for shipping in 1-2
weeks
William Optics
Guidescope Guide Star Apo61
$ 710.00
Sale price:
$ 490.69
ready for shipping in 24
h
William Optics
Red dot finder with quick-release bracket and base
$ 140.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 210.00
ready for shipping in 3-5
weeks
William Optics
Adaptors for Flattener 6A
$ 105.00
ready for shipping in 3-5
weeks
Shelyak
LISA Calibration module
$ 550.00
ready for shipping in 1-2
weeks
William Optics
Apochromatic refractor AP 91/448 GreyCat 91 WIFD OTA
$ 3,740.00
ready for shipping in 24
h
William Optics
Focusing Mask Bahtinov 243-308mm
$ 175.00
ready for shipping in 3-5
weeks
Shelyak
eShel Calibration unit
$ 6,400.00
ready for shipping in 1-2
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
RRP:
$ 2,570.00
Our price:
$ 2,070.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 71/350 RedCat 71 OTA
$ 2,340.00
ready for shipping in 3-5
weeks
William Optics
Focusing Mask Bahtinov 172-235mm
$ 163.00
ready for shipping in 3-5
weeks