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William Optics Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
$ 1,830.00
ready for shipping in 3-5 weeks
William Optics Carrying handle 243mm
William Optics
Carrying handle 243mm
$ 172.00
ready for shipping in 24 h
William Optics Guidescope UniGuide 50mm Gold
William Optics
Guidescope UniGuide 50mm Gold
$ 252.00
ready for shipping in 3-5 weeks
William Optics Apochromatic refractor AP 76/365 UltraCat 76 WIFD
William Optics
Apochromatic refractor AP 76/365 UltraCat 76 WIFD
$ 2,980.00
ready for shipping in 3-5 weeks
William Optics Carry case ZenithStar 71 & 73
William Optics
Carry case ZenithStar 71 & 73
$ 114.00
Sale price:
$ 57.35
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
$ 114.00
Sale price:
$ 57.46
ready for shipping in 24 h
Unihedron SQM tripod adaptor option
Unihedron
SQM tripod adaptor option
$ 34.90
ready for shipping in 24 h
William Optics Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA
William Optics
Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA
$ 4,940.00
Product can be shipped as of 15.12.2025
William Optics Diagonal prism Cat 51 WIFD 90° 1.25"
William Optics
Diagonal prism Cat 51 WIFD 90° 1.25"
$ 195.00
ready for shipping in 24 h
William Optics Flat6A III Special Edition FLT91
William Optics
Flat6A III Special Edition FLT91
$ 436.00
ready for shipping in 3-5 weeks
William Optics Flattener Flat73A for ZenithStar 73
William Optics
Flattener Flat73A for ZenithStar 73
$ 379.00
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
$ 45.90
ready for shipping in 3-5 weeks
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:  $ 2,520.00
Our price:
$ 2,030.00
ready for shipping in 3-5 weeks
William Optics Flattener Flat68III
William Optics
Flattener Flat68III
RRP:  $ 1,130.00
Our price:
$ 1,010.00
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
$ 91.00
ready for shipping in 3-5 weeks
William Optics Adapter Rotolock Adaptors 2" 1.25" Red
William Optics
Adapter Rotolock Adaptors 2" 1.25" Red
$ 91.00
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:  $ 402.00
Our price:
$ 390.00
ready for shipping in 24 h
William Optics Apochromatic refractor AP 132/925 FluoroStar Red OTA
William Optics
Apochromatic refractor AP 132/925 FluoroStar Red OTA
$ 6,500.00
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
$ 2,520.00
ready for shipping in 3-5 weeks
William Optics Adaptors for Flattener 6A
William Optics
Adaptors for Flattener 6A
$ 114.00
Available on request
William Optics Adjustable Flattener Reducer Flat7A
William Optics
Adjustable Flattener Reducer Flat7A
RRP:  $ 1,130.00
Our price:
$ 910.00
ready for shipping in 3-5 weeks
William Optics Guidescope 50mm f/4.0 RotoLock
William Optics
Guidescope 50mm f/4.0 RotoLock
$ 275.00
ready for shipping in 24 h
Unihedron Battery Holder SQM-LU-DL
Unihedron
Battery Holder SQM-LU-DL
$ 26.90
ready for shipping in 24 h
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
$ 149.00
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
RRP:  $ 218.00
Our price:
$ 183.00
ready for shipping in 3-5 weeks
Unihedron Photometer Solar DL Kit
Unihedron
Photometer Solar DL Kit
$ 620.00
ready for shipping in 3-5 weeks
William Optics Rotator M92
William Optics
Rotator M92
$ 298.00
ready for shipping in 24 h
William Optics 2x Barlow lense for 1.25'' Binoviewers
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 91.00
ready for shipping in 3-5 weeks
William Optics Focusing Mask Bahtinov 243-308mm
William Optics
Focusing Mask Bahtinov 243-308mm
$ 172.00
ready for shipping in 3-5 weeks
William Optics Full-Frame Flattener/Reducer 0.72x
William Optics
Full-Frame Flattener/Reducer 0.72x
RRP:  $ 1,150.00
Our price:
$ 1,070.00
ready for shipping in 3-5 weeks
William Optics M48 adaptors for Canon EOS Super high precision
William Optics
M48 adaptors for Canon EOS Super high precision
$ 172.00
ready for shipping in 3-5 weeks
Unihedron Sky Quality Meter Solar Charger
Unihedron
Sky Quality Meter Solar Charger
$ 172.00
ready for shipping in 3-5 weeks
William Optics Expandable 1:10 Micro gear for Synta focuser
William Optics
Expandable 1:10 Micro gear for Synta focuser
$ 206.00
Sale price:
$ 90.79
ready for shipping in 24 h
William Optics Red dot finder with quick-release bracket and base
William Optics
Red dot finder with quick-release bracket and base
$ 149.00
ready for shipping in 3-5 weeks