William Optics
Focusing Mask Bahtinov 172-235mm
$ 116.00
ready for shipping in 24
h
William Optics
Adapter SCT connection for WO Diagonals
$ 69.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
$ 1,860.00
ready for shipping in 3-5
weeks
Unihedron
Photometer SQM sky quality meter with lens, USB and data logger
$ 395.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,090.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,090.00
ready for shipping in 3-5
weeks
William Optics
Carry case ZenithStar 71 & 73
$ 116.00
ready for shipping in 24
h
William Optics
Adaptors for Flattener 6A
$ 116.00
Available on request
William Optics
Adapter Rotolock Adaptors 2" 1.25" Red
$ 92.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/448 GreyCat 91 WIFD OTA
$ 3,950.00
ready for shipping in 24
h
Unihedron
SQM tripod adaptor option
$ 34.90
ready for shipping in 24
h
Unihedron
SQM tripod adaptor option
$ 34.90
ready for shipping in 24
h
William Optics
Carry case ZS81/GT81/GTF81
$ 116.00
ready for shipping in 24
h
William Optics
Losmandy Swan Series 400mm
$ 197.00
ready for shipping in 24
h
Ejendals
Glove TEGERA 595
$ 81.00
ready for shipping in 24
h
William Optics
Flattener Flat73A for ZenithStar 73
$ 384.00
Product can be shipped as of 15.12.2025
William Optics
Flat6A III Special Edition FLT91
$ 442.00
ready for shipping in 3-5
weeks
William Optics
Flattener Flat68III
$ 1,150.00
ready for shipping in 3-5
weeks
Unihedron
Photometer Sky Quality meter, Ethernet, with lens (version LE)
$ 395.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
RRP:
$ 2,550.00
Our price:
$ 2,060.00
ready for shipping in 3-5
weeks
William Optics
Adapter Rotolock Adaptors 2" 1.25" Gold
$ 92.00
ready for shipping in 3-5
weeks
Unihedron
Filter adapter for SQM-L/SQM-LE/LU
$ 46.90
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 132/925 FluoroStar Red OTA
$ 6,400.00
ready for shipping in 3-5
weeks
Unihedron
Battery Holder SQM-LU-DL
$ 26.90
ready for shipping in 24
h
William Optics
Adjustable Flattener Reducer Flat7A
$ 1,150.00
ready for shipping in 3-5
weeks
Unihedron
Photometer Solar DL Kit
$ 620.00
ready for shipping in 3-5
weeks
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 279.00
ready for shipping in 24
h
William Optics
M48 adaptors for Canon EOS Super high precision
$ 174.00
ready for shipping in 3-5
weeks
William Optics
Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
$ 2,560.00
ready for shipping in 3-5
weeks
William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 221.00
ready for shipping in 3-5
weeks
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 151.00
ready for shipping in 3-5
weeks
William Optics
Rotator M92
$ 302.00
ready for shipping in 24
h
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 92.00
ready for shipping in 3-5
weeks
William Optics
Focusing Mask Bahtinov 243-308mm
$ 174.00
ready for shipping in 3-5
weeks
William Optics
Full-Frame Flattener/Reducer 0.72x
$ 1,170.00
ready for shipping in 3-5
weeks
Unihedron
Sky Quality Meter Solar Charger
$ 174.00
ready for shipping in 3-5
weeks