Your partner for astronomy
Products 73 - 108 of 133
Sort by:
William Optics Guidescope AC 50/200 RotoLock Gold OTA
William Optics
Guidescope AC 50/200 RotoLock Gold OTA
$ 265.00
ready for shipping in 24 h
William Optics Guidescope UniGuide 50mm Gold
William Optics
Guidescope UniGuide 50mm Gold
$ 253.00
ready for shipping in 3-5 weeks
William Optics Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA
William Optics
Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA
$ 3,920.00
ready for shipping in 3-5 weeks
William Optics Focusing Mask Bahtinov 172-235mm
William Optics
Focusing Mask Bahtinov 172-235mm
$ 115.00
ready for shipping in 24 h
William Optics Adapter SCT connection for WO Diagonals
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
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
$ 1,840.00
ready for shipping in 3-5 weeks
William Optics Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,070.00
ready for shipping in 24 h
William Optics Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,070.00
ready for shipping in 3-5 weeks
William Optics Carry case ZenithStar 71 & 73
William Optics
Carry case ZenithStar 71 & 73
$ 115.00
ready for shipping in 24 h
William Optics Adaptors for Flattener 6A
William Optics
Adaptors for Flattener 6A
$ 115.00
Available on request
William Optics Adapter Rotolock Adaptors 2" 1.25" Red
William Optics
Adapter Rotolock Adaptors 2" 1.25" Red
$ 92.00
ready for shipping in 24 h
William Optics Apochromatic refractor AP 73/430 Super ZenithStar 73 Gold OTA
William Optics
Apochromatic refractor AP 73/430 Super ZenithStar 73 Gold OTA
$ 1,010.00
Product can be shipped as of 15.12.2025
Unihedron SQM tripod adaptor option
Unihedron
SQM tripod adaptor option
$ 34.90
ready for shipping in 24 h
Unihedron SQM tripod adaptor option
Unihedron
SQM tripod adaptor option
$ 34.90
ready for shipping in 24 h
Unihedron Sky Quality Meter  Window mount
Unihedron
Sky Quality Meter Window mount
$ 40.90
ready for shipping in 24 h
William Optics Carry case ZS81/GT81/GTF81
William Optics
Carry case ZS81/GT81/GTF81
$ 115.00
ready for shipping in 24 h
Ejendals Glove TEGERA 595
Ejendals
Glove TEGERA 595
$ 80.00
ready for shipping in 24 h
William Optics Flat6A III Special Edition FLT91
William Optics
Flat6A III Special Edition FLT91
$ 438.00
ready for shipping in 3-5 weeks
William Optics Flattener Flat68III
William Optics
Flattener Flat68III
$ 1,140.00
ready for shipping in 3-5 weeks
Unihedron Photometer Sky Quality meter, Ethernet, with lens (version LE)
Unihedron
Photometer Sky Quality meter, Ethernet, with lens (version LE)
RRP:  $ 404.00
Our price:
$ 392.00
ready for shipping in 24 h
William Optics Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA Guidescope-Set
RRP:  $ 2,530.00
Our price:
$ 2,040.00
ready for shipping in 3-5 weeks
William Optics Adapter Rotolock Adaptors 2" 1.25" Gold
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
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
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
Unihedron
Battery Holder SQM-LU-DL
$ 26.90
ready for shipping in 24 h
William Optics Adjustable Flattener Reducer Flat7A
William Optics
Adjustable Flattener Reducer Flat7A
$ 1,140.00
ready for shipping in 3-5 weeks
Unihedron Photometer Solar DL Kit
Unihedron
Photometer Solar DL Kit
$ 630.00
ready for shipping in 3-5 weeks
William Optics Flattener Flat73A for ZenithStar 73
William Optics
Flattener Flat73A for ZenithStar 73
$ 381.00
Product can be shipped as of 15.12.2025
William Optics Guidescope 50mm f/4.0 RotoLock
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 277.00
ready for shipping in 24 h
William Optics M48 adaptors for Canon EOS Super high precision
William Optics
M48 adaptors for Canon EOS Super high precision
$ 173.00
ready for shipping in 3-5 weeks
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics
Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
$ 2,530.00
ready for shipping in 3-5 weeks
William Optics Dura Bright 1.25" 90° mirror star diagonal
William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 219.00
ready for shipping in 3-5 weeks
William Optics Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 150.00
ready for shipping in 3-5 weeks
William Optics M46 adaptors for Canon EOS
William Optics
M46 adaptors for Canon EOS
$ 115.00
ready for shipping in 24 h
William Optics Rotator M92
William Optics
Rotator M92
$ 300.00
ready for shipping in 24 h
William Optics 2x Barlow lense for 1.25'' Binoviewers
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 92.00
ready for shipping in 3-5 weeks