William Optics
Carry case ZenithStar 61
$ 92.00
ready for shipping in 24
h
Baader
Filters UBVRI Bessel 65x65mm
$ 1,700.00
ready for shipping in 1-2
weeks
Baader
Metal magnetic ring for Homing Sensor Steeldrive II
$ 85.00
ready for shipping in 1-2
weeks
William Optics
Rotator M92
$ 289.00
Sale price:
$ 201.75
ready for shipping in 24
h
Baader
Filters H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 36mm
$ 1,160.00
ready for shipping in 1-2
weeks
Baader
Adapter Reducer 2 '/1 ¼ ' (inclusive T-2 thread on both sides and M48/2' filter threads and brass locking collar and two clamping screws)
$ 54.00
ready for shipping in 24
h
Baader
Y-cable for 60W Outdoor Telescope Power Supply
$ 19.90
ready for shipping in 1-2
weeks
William Optics
Red dot finder with quick-release bracket and base
$ 138.00
ready for shipping in 24
h
Baader
Filters H-Beta CMOS Narrowband 2"
$ 343.00
ready for shipping in 24
h
Baader
Adapter M68 adaptor for Diamond Steeltrack BDS
$ 45.90
ready for shipping in 1-2
weeks
Baader
Adapter Hyperion DT-ring SP54/M 52
$ 26.90
ready for shipping in 24
h
Baader
Adapter Hyperion DT-ring SP54/M 49
$ 26.90
ready for shipping in 1-2
weeks
Baader
Adapter M48 inverting ring
$ 28.90
ready for shipping in 1-2
weeks
Baader
Extension tube VariLock 29 lockable T-2 20-29mm extender, with lock spanner
$ 81.00
ready for shipping in 1-2
weeks
Baader
Adapter Hyperion DT-ring SP54/M 58
$ 26.90
ready for shipping in 24
h
Baader
Planewave-Clamp 8"
$ 630.00
ready for shipping in 24
h
Baader
Filters H-alpha/OIII/SII CMOS f/2 Highspeed 50x50mm
$ 1,040.00
ready for shipping in 1-2
weeks
Baader
Silica gel with color indicator, re-usable, 125mml (orange)
$ 28.90
ready for shipping in 1-2
weeks
Baader
Adapter 2" fine tuning stop ring bronze clamping ring and two locking screws
$ 30.90
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA
$ 1,730.00
ready for shipping in 3-5
weeks
Baader
Solar Filter SunDancer II TZ-3S H-alpha 2"/1.25"
$ 4,120.00
Product can be shipped as of 02.11.2026
Baader
Adapter Hyperion DT-ring SP54/M 62
$ 26.90
ready for shipping in 24
h
Baader
Adapter System M68/60 intermediate ring 60mm long
$ 96.00
ready for shipping in 1-2
weeks
William Optics
Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA
$ 3,700.00
ready for shipping in 24
h
Baader
Filters H-alpha/OIII/SII CMOS Narrowband 50x50mm
$ 1,000.00
ready for shipping in 1-2
weeks
Baader
Filter Crown Tool 2"
$ 40.90
ready for shipping in 1-2
weeks
Baader
Adapter M68a Umkehrring
$ 47.90
ready for shipping in 1-2
weeks
Baader
Filters H-alpha CMOS Narrowband 2"
$ 294.00
ready for shipping in 1-2
weeks
Baader
Extension tube M48 10mm
$ 31.90
ready for shipping in 1-2
weeks
Baader
Adapter M68a Umkehrring
$ 46.90
ready for shipping in 1-2
weeks
Baader
UFC S70 / M48 Adaptors
$ 31.90
ready for shipping in 1-2
weeks
Baader
Filters LRGB CMOS 65x65mm
$ 970.00
ready for shipping in 1-2
weeks
Baader
Filters H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 31mm
$ 960.00
ready for shipping in 1-2
weeks
Baader
Dustcap M48
$ 31.90
ready for shipping in 1-2
weeks
Baader
Dustcap M48
$ 31.90
ready for shipping in 1-2
weeks
Baader
Filters H-alpha/OIII/SII CMOS Ultra-Narrowband 31mm
$ 960.00
ready for shipping in 1-2
weeks