William Optics
Guidescope 50mm f/4.0 RotoLock
$ 234.00
Sale price:
$ 186.20
ready for shipping in 24
h
DayStar
Imaging Flat Cap FC110
$ 140.00
ready for shipping in 6-10
weeks
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Gold OTA
$ 1,520.00
ready for shipping in 3-5
weeks
DayStar
Imaging Flat Cap FC120
$ 140.00
Product can be shipped as of 15.05.2026
DayStar
Adapter Eyepiece Holder for Quark 2"
$ 116.00
ready for shipping in 3-6
months
Telegizmos
TG-QC protective cover for 4" refractor objective
$ 53.00
ready for shipping in 24
h
William Optics
Tube clamps Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 version I
$ 140.00
ready for shipping in 3-5
weeks
William Optics
Carry case ZenithStar 71 & 73
$ 116.00
ready for shipping in 24
h
DayStar
Imaging Flat Cap FC180
$ 152.00
ready for shipping in 6-10
weeks
William Optics
Rotator M92
$ 292.00
Sale price:
$ 203.77
ready for shipping in 24
h
DayStar
Imaging Flat Cap FC150
$ 140.00
ready for shipping in 6-10
weeks
William Optics
Camera adaptor M48/Pentax K
$ 70.00
ready for shipping in 1-2
weeks
William Optics
2x Barlow lense for 1.25'' Binoviewers
$ 81.00
ready for shipping in 3-5
weeks
Shelyak
Sol'Ex / Star'Ex HR expansion set
$ 198.00
ready for shipping in 1-2
weeks
Unihedron
Sky Quality Meter Solar Charger
$ 163.00
ready for shipping in 3-5
weeks
William Optics
Expandable 1:10 Micro gear for Synta focuser
$ 222.00
ready for shipping in 24
h
Telegizmos
TG-FC protective cover for 9 X 50 finder
$ 70.00
Product can be shipped as of 01.05.2026
William Optics
Carry case ZS81/GT81/GTF81
$ 116.00
ready for shipping in 24
h
DayStar
Solar Filters ULF50-2 Binocular
$ 46.90
ready for shipping in 3-6
months
Shelyak
Eyepiece holder for Alpy guiding
$ 398.00
ready for shipping in 1-2
weeks
Shelyak
Spectroscope Alpy 200
$ 1,080.00
ready for shipping in 1-2
weeks
Shelyak
Thorium-Argon-Bulb
$ 1,170.00
ready for shipping in 1-2
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 304.00
ready for shipping in 3-5
weeks
William Optics
Rotator Rotolock Visual Back 3.5
$ 304.00
ready for shipping in 3-5
weeks
Telegizmos
TG-BC protective cover for bino-viewers
$ 40.90
Product can be shipped as of 01.05.2026
Telegizmos
TG-RD protective cover for red dot finder
$ 35.90
Product can be shipped as of 01.05.2026
Shelyak
Reflective Standard SLIT 15/19/23/35 LISA & LHIRES III
$ 251.00
ready for shipping in 1-2
weeks
DayStar
0.5x/0.33x reducer
$ 421.00
ready for shipping in 3-6
months
William Optics
Guidescope Guide Star Apo 61
$ 710.00
ready for shipping in 3-5
weeks
Shelyak
Argon-Neon replacement lamps
$ 43.90
Product can be shipped as of 01.05.2026
Shelyak
LISA near-IR kit
$ 960.00
ready for shipping in 1-2
weeks
Shelyak
300 gr/mm grating module
$ 820.00
ready for shipping in 1-2
weeks
Shelyak
1200 gr/mm grating module
$ 820.00
ready for shipping in 1-2
weeks
Shelyak
1800 gr/mm grating module
$ 820.00
ready for shipping in 1-2
weeks
Shelyak
600 gr/mm grating module
$ 820.00
ready for shipping in 1-2
weeks
Shelyak
Diffraction grating for Lhires III, 2400 lines/mm
$ 830.00
ready for shipping in 1-2
weeks