Products

Description The secondary mirror cover can be used to cover the rear side of the secondary mirror. This considerably reduces the cooling of the se...

Description The secondary mirror cover can be used to cover the rear side of the secondary mirror. This considerably reduces the cooling of the se...

Description The secondary mirror cover can be used to cover the rear side of the secondary mirror. This considerably reduces the cooling of the se...

CNC machined secondary spider made of aluminum (EN AW-6061), black matt anodized, suitable for 8" TS-Optics GSO Photon This secondary spider is ma...

CNC machined secondary spider made of aluminum (EN AW-6061), black matte anodized, suitable for 10" TS-Optics GSO Photon This secondary spider is m...

CNC machined secondary spider made of aluminum (EN AW-6061), black matte anodized, suitable for Skywatcher 150 P/PDS/Quattro This secondary spider ...

CNC machined secondary spider made of aluminum (EN AW-6061), black matte anodized, suitable for Sky-Watcher 200 PDS/Quattro This secondary spider i...

CNC machined secondary spider made of aluminum (EN AW-6061), black matte anodized, suitable for Sky-Watcher 250 PDS/Quattro This secondary spider i...

CNC machined secondary spider made of aluminum (EN AW-6061), black matte anodized, suitable for TS-Optics GSO Photon 6" This secondary spider is m...

AstroLevel, the ultimate accessory for your ZWO SeeStar S50 smart telescope. Designed to seamlessly connect to your SeeStar's tripod, AstroLeve...

  Start your Photography Journey with Seestar S30— Capture the Cosmos Anywhere Portable Convenience — Your Pocket Observatory Weighing no more t...

Lightweight: Weighs only 1.65 kg. Intelligent: Smart app control with GOTO and automatic tracking — enjoy stargazing anytime, anywhere. Easy to U...

Seestar TH10 hydraulic tripod head is specially designed for use with Seestar smart telescopes in equatorial mode. It also compatible with most ...

Designed for cleaning CCD, CMOS sensors, or any sensitive surface.  This kit includes:  6x SensorSwab ULTRA Cleaning Swab 1xEclipse Optic Cleaning...

The 0.84x reducer can bring Sharpstar 50EDPH's focal ratio down to F4.6. This is a standard reducer with field flattening capabilities as well. A...

V2 model with new tube ring and foot design.  This compact 50mm f/5.5 APO refractor telescope has triplet air-spaced APO optics, including two piec...

Finally, an affordable meter for measuring sky brightness for astronomers!  The "Sky Quality Meter" measures the brightness of the night sky in mag...

Includes: Sky-Watcher 6-inch f/8 Dobsonian OTA. Rocker Base. 6X30 Finder and Bracket. 25 mm Plossl 1.25-inch Eyepiece. 10 mm Plossl 1.25-inch Eyep...

  Large 300mm aperture delivers stunning viewing experience Innovative collapsible design that retains collimation 1840x more light-gathering powe...

34mm fully illuminated field but can handle full frame as well 95mm back-focus (55mm when back focus spacer and M48 ring installed) Drops f/ratio...

36mm fully illuminated field, compatible with both APS-C and full frame sensors 90mm back-focus (55mm when back focus spacer and M48 ring install...

0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 62mm re...

0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 82mm re...

Works on AZ-EQ6 and ZWO AM7 Counterweight Shafts 11lbs

  Affordable, large 200mm aperture delivers stunning viewing experience 78% brighter than 150mm model Patented tension control handle allows for p...

  Affordable, large 250mm aperture delivers stunning viewing experience 56% brighter than the Classic 200P Dobsonian Patented tension control hand...

This PETG 3D printed altitude knob replaces the original Sky-Watcher EQ6 altitude knob with a larger easier to grab alternative.  To install simply...

The Sky-Watcher Pier Extension is designed to raise the EQ6 or EQ6-R mount 8.4" from the tripod to provide extra height for more comfortable observ...

  German Equatorial heavy-duty tracking mount 22-pound payload capacity supports small- to medium-sized OTAs High-precision hybrid stepper motors ...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 100mm aperture, 900mm focal length, f/9 focal r...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 120mm aperture, 900mm focal length, f/7.5 focal...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 80mm aperture, 600mm focal length, f/7.5 focal ...

Large 200mm aperture delivers stunning viewing experience Innovative collapsible design that retains collimation 816x more light-gathering power t...

  Large 203mm aperture delivers dazzling views, 1200mm focal length, f/5.9 focal ratio Built-in Wi-Fi telescope control Innovative collapsible des...

  Large 250mm aperture delivers stunning viewing experience Innovative collapsible design that retains collimation 1235x more light-gathering powe...

  Large 254mm aperture delivers dazzling views, 1200mm focal length, f/4.7 focal ratio Built-in Wi-Fi telescope control Innovative collapsible des...

  Large 305mm aperture delivers dazzling views, 1500mm focal length, f/4.7 focal ratio Built-in Wi-Fi telescope control Innovative collapsible des...

  Large 356mm aperture delivers dazzling views, 1650mm focal length, f/4.6 focal ratio Built-in Wi-Fi telescope control Innovative collapsible des...

  Large 406mm aperture delivers dazzling views, 1800mm focal length, f/4.4 focal ratio Built-in Wi-Fi telescope control Innovative collapsible des...

Honders Advanced Catadioptric optical design Radiant Aluminum Quartz (RAQ)™ mirror coatings Wide-open 250mm focal length FAST f/2 focal ratio 5-in...

Designed for attaching a Nikon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors. M48 rings are used for larger format imaging....