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
Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA
$ 4,630.00
ready for shipping in 3-5
weeks
Rainbow Astro
Tripod CYG48PRDL Half Pier RST-135 & RST-300
$ 2,890.00
ready for shipping in 3-5
weeks
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 266.00
ready for shipping in 24
h
Hotech
HyperStar Laser Collimator 9.25" / 11"
$ 820.00
ready for shipping in 6-10
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 301.00
ready for shipping in 3-5
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 301.00
ready for shipping in 3-5
weeks
William Optics
Adaptors for Flattener 6A
$ 104.00
ready for shipping in 3-5
weeks
Rainbow Astro
AP Mach1 Adapter
$ 336.00
ready for shipping in 24
h
Rainbow Astro
Tripod CYG42PRDL Half Pier RST-135
$ 2,540.00
ready for shipping in 3-5
weeks
Rainbow Astro
Tripod CYG48P Basic Half Pier RST-135
$ 2,540.00
ready for shipping in 3-5
weeks
William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 185.00
ready for shipping in 3-5
weeks
Rainbow Astro
Tripod CYG42P Basic Half Pier RST-135
$ 2,310.00
ready for shipping in 3-5
weeks
William Optics
Losmandy Swan Series 400mm
$ 208.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 208.00
ready for shipping in 24
h
William Optics
Focusing Mask Bahtinov 243-308mm
$ 173.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 71/350 RedCat 71 OTA
$ 2,310.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
RRP:
$ 2,540.00
Our price:
$ 2,050.00
ready for shipping in 3-5
weeks
Hotech
2" SCA T adapter
$ 80.00
Product can be shipped as of 15.07.2026
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 80.00
ready for shipping in 3-5
weeks
Rainbow Astro
Counterweight Bar for RST-135 Mount
RRP:
$ 115.00
Our price:
$ 87.00
ready for shipping in 3-5
weeks
William Optics
Expandable 1:10 Micro gear for Synta focuser
$ 220.00
Sale price:
$ 80.00
ready for shipping in 24
h
William Optics
Guidescope Guide Star Apo 61
RRP:
$ 700.00
Our price:
$ 600.00
ready for shipping in 3-5
weeks
William Optics
Camera adaptor M48/Pentax K
$ 69.00
ready for shipping in 1-2
weeks
William Optics
Carry case ZenithStar 71 & 73
$ 115.00
Sale price:
$ 49.74
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 132/925 FluoroStar Red OTA
$ 6,400.00
ready for shipping in 3-5
weeks
Rainbow Astro
counterweight bar for RST-300 Mount
$ 115.00
ready for shipping in 3-5
weeks
William Optics
Carry case ZS81/GT81/GTF81
$ 115.00
Sale price:
$ 50.90
ready for shipping in 24
h
William Optics
Flat6A III Special Edition FLT91
$ 498.00
ready for shipping in 3-5
weeks
William Optics
M46 adaptors for Canon EOS
$ 115.00
ready for shipping in 24
h
Rainbow Astro
Half pier for iOptron Tripod
RRP:
$ 463.00
Our price:
$ 395.00
ready for shipping in 3-5
weeks
Hotech
2" SCA field flattener
$ 324.00
Product can be shipped as of 15.07.2026
William Optics
Guidescope AC 50/200 RotoLock Red OTA
$ 231.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps 90mm
$ 208.00
ready for shipping in 3-5
weeks
William Optics
M48 adaptors for Canon EOS Super high precision
$ 162.00
ready for shipping in 3-5
weeks
William Optics
Guidescope 50 mm
$ 208.00
ready for shipping in 3-5
weeks