William Optics
Focusing Mask Bahtinov 172-235mm
$ 161.00
ready for shipping in 24
h
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 230.00
Sale price:
$ 183.25
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Gold OTA
$ 1,490.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 138.00
ready for shipping in 3-5
weeks
William Optics
Carry case ZenithStar 71 & 73
$ 115.00
ready for shipping in 24
h
Rainbow Astro
Counterweight Bar for RST-135 Mount
RRP:
$ 115.00
Our price:
$ 87.00
ready for shipping in 3-5
weeks
William Optics
Rotator M92
$ 287.00
Sale price:
$ 200.54
ready for shipping in 24
h
William Optics
Camera adaptor M48/Pentax K
$ 68.00
ready for shipping in 1-2
weeks
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 80.00
ready for shipping in 3-5
weeks
William Optics
Expandable 1:10 Micro gear for Synta focuser
$ 218.00
ready for shipping in 24
h
William Optics
Carry case ZS81/GT81/GTF81
$ 115.00
ready for shipping in 24
h
William Optics
Rotator Rotolock Visual Back 3.5
$ 299.00
ready for shipping in 3-5
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 299.00
ready for shipping in 3-5
weeks
William Optics
Guidescope Guide Star Apo 61
$ 700.00
ready for shipping in 3-5
weeks
William Optics
M48 adaptors for Canon EOS Super high precision
$ 161.00
ready for shipping in 3-5
weeks
William Optics
Adaptors for EAF focus motor
$ 391.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 207.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps 90mm
$ 207.00
ready for shipping in 3-5
weeks
William Optics
Guidescope AC 50/200 RotoLock Red OTA
$ 218.00
ready for shipping in 3-5
weeks
William Optics
(Guiding) Tube clamps 50mm
$ 115.00
ready for shipping in 3-5
weeks
William Optics
Guidescope 50 mm
$ 207.00
ready for shipping in 3-5
weeks
William Optics
Universal (DC + DV) digital camera adapter lense 75mm
$ 149.00
Sale price:
$ 103.73
ready for shipping in 24
h
William Optics
Adapter Flat4 Draw Tube
$ 115.00
ready for shipping in 24
h
William Optics
Vixen-Style Black&White Cat Finder Base
$ 92.00
ready for shipping in 3-5
weeks
William Optics
Camera adaptor Olympus T-Mount
$ 80.00
ready for shipping in 3-5
weeks
William Optics
Vixen Style Mounting Base
$ 45.90
ready for shipping in 3-5
weeks
Rainbow Astro
Half pier for iOptron Tripod
RRP:
$ 460.00
Our price:
$ 392.00
ready for shipping in 3-5
weeks
William Optics
Prism rail, Vixen style / Arca-Swiss 110 mm
$ 80.00
ready for shipping in 24
h
William Optics
Prism rail, Vixen style / Arca-Swiss 110 mm
$ 80.00
ready for shipping in 24
h
William Optics
M46 adaptors for Canon EOS
$ 115.00
Sale price:
$ 54.05
ready for shipping in 24
h
William Optics
Camera adaptor STL-1100 adapter for FLT field flattener
$ 103.00
ready for shipping in 3-5
weeks
Rainbow Astro
Prism clamp for RST-135
$ 103.00
ready for shipping in 24
h
Rainbow Astro
Counterweight for RST-135
RRP:
$ 195.00
Our price:
$ 167.00
ready for shipping in 3-5
weeks
Rainbow Astro
Half Pier Gitzo 5, RT90C, LN404C
$ 335.00
Product can be shipped as of 01.06.2026