Product series:
Telescopes: Geoptik: William-Optics: Telescope accessories: Geoptik: William-Optics: Eyepieces: Astrophotography: Geoptik: William-Optics: Mounts & accessories: Geoptik: William-Optics:
William Optics
Apochromatic refractor AP 51/250 RedCat WIFD
$ 1,300.00
ready for shipping in 24
h

William Optics
Guidescope UniGuide 32mm Red
$ 199.00
ready for shipping in 24
h

Geoptik
Sleeve 180cm
( 5 / 5 )
$ 129.00
ready for shipping in 24
h

Geoptik
Nadira astronomy chair
$ 211.00
ready for shipping in 24
h

Geoptik
New Artificial star for Collimation and star test
$ 140.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 51/178 MiniCat WIFD OTA
$ 1,400.00
ready for shipping in 3-5
weeks

William Optics
Guidescope UniGuide 50mm Red
$ 246.00
ready for shipping in 24
h

William Optics
Diagonal mirror Dura Bright 90° 2"
$ 270.00
ready for shipping in 24
h

Geoptik
Dust cup 150mm to 250mm
$ 25.90
ready for shipping in 24
h

William Optics
Camera adaptor T-Ring Nikon Z 48mm
( 5 / 5 )
$ 89.00
ready for shipping in 24
h

William Optics
Apochromatic refractor AP 71/350 RedCat 71 WIFD
$ 2,580.00
ready for shipping in 24
h

William Optics
40mm SWAN eyepiece, 2''
( 5 / 5 )
$ 221.00
ready for shipping in 24
h

Geoptik
Dust cup 270mm to 360mm
( 5 / 5 )
$ 28.90
ready for shipping in 24
h

Geoptik
Sleeve 160cm
$ 117.00
ready for shipping in 24
h

Geoptik
Sleeve 135cm
$ 105.00
ready for shipping in 24
h

Geoptik
Carry case Star Adventurer GTi
$ 77.00
ready for shipping in 3-5
weeks

Geoptik
Counterweight for ZWO AM5
$ 117.00
ready for shipping in 24
h

Geoptik
260mm flat field generator
$ 281.00
ready for shipping in 24
h

Geoptik
Filter slider for Nadirus telescope
$ 199.00
ready for shipping in 3-5
weeks

William Optics
Camera adaptor M48 compatible with Canon EOS
( 5 / 5 )
$ 70.00
ready for shipping in 24
h

William Optics
Adjustable Flattener Reducer Flat6AIII
$ 470.00
ready for shipping in 24
h

Geoptik
Laser collimator 1.25"
$ 71.00
Product can be shipped as of 15.07.2025

Geoptik
Grease for equatorial mount
$ 35.90
ready for shipping in 24
h

William Optics
M48 / Sony E Adaptors
$ 82.00
ready for shipping in 24
h

William Optics
Cat Series Saddle Handle Bar
( 5 / 5 )
$ 93.00
ready for shipping in 24
h

William Optics
Flattner Flat61A for Z61
$ 364.00
ready for shipping in 24
h

William Optics
DSD 210 D-Prism rail
$ 70.00
ready for shipping in 24
h

Geoptik
Carry case Pack in Bag Skywatcher HEQ5
$ 47.90
ready for shipping in 24
h

William Optics
Polar wedge High Latitude SkyGuider Pro
RRP:
$ 423.00
Our price:
$ 399.00
ready for shipping in 24
h

William Optics
Focusing Mask Bahtinov 75-110mm
$ 82.00
ready for shipping in 24
h

William Optics
Flat GT
$ 352.00
ready for shipping in 3-5
weeks

Geoptik
Kit of Whitworth Screws
$ 70.00
Product can be shipped as of 15.07.2025

Geoptik
EPH 30B050 carrying case
RRP:
$ 93.00
Our price:
$ 82.00
ready for shipping in 3-5
weeks

Geoptik
Carrying case for CPC 925 and CPC 1100 telescopes
$ 211.00
ready for shipping in 3-5
weeks

Geoptik
Carry bag for counterweights 150mm
$ 35.90
ready for shipping in 24
h

Geoptik
EPH 30B051 carrying case
RRP:
$ 117.00
Our price:
$ 105.00
ready for shipping in 24
h