Product series:
Telescopes: Telescope accessories: Eyepieces: Pentax: William-Optics: Filters: Astrophotography: Spectroscopy & Photometry: Mounts & accessories: Binoculars: Nature Observation: Solar Observation:
William Optics
Guidescope UniGuide 32mm Red
$ 196.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 51/250 RedCat WIFD
$ 1,280.00
ready for shipping in 24
h

William Optics
Diagonal mirror Dura Bright 90° 2"
$ 266.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 51/178 MiniCat WIFD OTA
$ 1,380.00
ready for shipping in 24
h

William Optics
Camera adaptor T-Ring Nikon Z 48mm
( 5 / 5 )
$ 87.00
ready for shipping in 24
h

William Optics
Guidescope UniGuide 50mm Red
$ 243.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 71/350 RedCat 71 WIFD
$ 2,540.00
ready for shipping in 24
h

William Optics
40mm SWAN eyepiece, 2''
( 5 / 5 )
$ 218.00
ready for shipping in 24
h

DayStar
QUARK H-alpha filter,chromosphere
$ 2,080.00
ready for shipping in 24
h

Shelyak
Spectroscope Lhires III
$ 5,900.00
ready for shipping in 1-2
weeks

William Optics
Camera adaptor M48 compatible with Canon EOS
( 5 / 5 )
$ 69.00
ready for shipping in 24
h

William Optics
Adjustable Flattener Reducer Flat6AIII
$ 463.00
ready for shipping in 24
h

William Optics
M48 / Sony E Adaptors
$ 80.00
ready for shipping in 24
h

William Optics
Cat Series Saddle Handle Bar
( 5 / 5 )
$ 92.00
ready for shipping in 24
h

William Optics
DSD 210 D-Prism rail
$ 69.00
ready for shipping in 24
h

DayStar
QUARK H-alpha filter, prominences
RRP:
$ 2,080.00
Our price:
$ 1,870.00
ready for shipping in 24
h

Pentax
Eyepiece SMC XW40-R 40mm 2"
$ 580.00
ready for shipping in 1-2
weeks

William Optics
Flattner Flat61A for Z61
$ 359.00
ready for shipping in 24
h

DayStar
Filters 0.5Å H-alpha Quantum PE filter
$ 30,300.00
ready for shipping in 3-6
months

William Optics
Polar wedge High Latitude SkyGuider Pro
RRP:
$ 417.00
Our price:
$ 394.00
ready for shipping in 24
h

William Optics
M63 Adaptors for Flattener Flat6AIII
$ 69.00
ready for shipping in 24
h

William Optics
Flat GT
$ 347.00
ready for shipping in 24
h

Planet Poster Editions
Poster The Solar System
$ 13.90
ready for shipping in 24
h

William Optics
Focusing Mask Bahtinov 75-110mm
$ 80.00
ready for shipping in 24
h

William Optics
Erecting Finder 50mm 1.25"
$ 278.00
ready for shipping in 24
h

Planet Poster Editions
Poster Messier
$ 13.90
ready for shipping in 24
h

Pentax
SMC XW 5mm 1.25" eyepiece
$ 382.00
ready for shipping in 24
h

DayStar
Eyepiece Ortho 25mm 1.25"
$ 173.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 61/300 RedCat 61 OTA
$ 2,090.00
ready for shipping in 24
h

William Optics
Tube clamps Cat Mounting Ring
$ 80.00
ready for shipping in 24
h

Planet Poster Editions
Poster The Solar System
$ 13.90
ready for shipping in 24
h

William Optics
Guidescope UniGuide 50mm Ultra
$ 243.00
ready for shipping in 3-5
weeks

Pentax
Binoculars ZD 10x50 WP
RRP:
$ 1,280.00
Our price:
$ 1,150.00
ready for shipping in 1-2
weeks

William Optics
Apochromatic refractor AP 71/350 RedCat 71 OTA
$ 2,430.00
ready for shipping in 3-5
weeks

Shelyak
Spectroscope eShel lense version
$ 12,400.00
ready for shipping in 1-2
weeks

William Optics
Apochromatic refractor AP 108/518 UltraCat WIFD
$ 4,520.00
ready for shipping in 3-7
days