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Wide range of high speed and high sensitivity astronomy cameras, mirrors, low-weight Newtonian telescopes and other accessories for serious astronomer all around the world.

ZWO ZWO D90 Holder Ring for ASI Cooled Cameras (90mm Diameter)
Currently compatible with ASI 2600MC Pro and ASI6200MM/MC Pro cameras.
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ZWO D90 Holder Ring for ASI Cooled Cameras (90mm Diameter)
$59.00
ZWO ZWO M48-M42 Adapter
M48-M42 Adapter is available now!
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ZWO M48-M42 Adapter
$12.00
ZWO ZWO Helical Focuser 1.25" - ZWO-HF1.25"
Fits perfectly into most off axis guiders and ZWO mini guiders
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ZWO Helical Focuser 1.25" - ZWO-HF1.25"
$59.00
ZWO ZWO Hand Controller for Electronic Automatic Focuser (EAF) - EAF-HC
ZWO Hand Controller for Electronic Automatic Focuser (EAF) Connecting Cable
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ZWO Hand Controller for Electronic Automatic Focuser (EAF) - EAF-HC
$39.00
ZWO ZWO 16.5mm M42 to M48 Extension - T2-M48-16.5MM
This extender can help you to get 55mm back focus distance.
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ZWO 16.5mm M42 to M48 Extension - T2-M48-16.5MM
$18.00
ZWO ZWO 30mm f4 Mini Guide Scope
This guide scope is compatible with all ASI cameras.
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ZWO 30mm f4 Mini Guide Scope
$99.00
ZWO ZWO D86 Holder Ring for ASI Cooled Cameras (LIMITED QUANTITIES)
ZWO Holder Ring for ZWO ASI PRO COOLED CAMERAS with appr 86mm diameter
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ZWO D86 Holder Ring for ASI Cooled Cameras (LIMITED QUANTITIES)
$49.00
ZWO ZWO ASI183MM Monochrome (2.4 microns) CMOS Astronomy Camera with USB 3.0 Connection
Introducing the ASI183 camera series, the most sensitive cameras in ZWO history. Peak Q.E. of the mono sensor reaches 84%!
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ZWO ASI183MM Monochrome (2.4 microns) CMOS Astronomy Camera with USB 3.0 Connection
$699.00
ZWO ZWO ASI294MC Color (4.63 microns) USB3 (Replaces ASI1600MC)
ASI294 is the first camera in the world that is equipped with SONY's latest sensor IMX294CJK.
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ZWO ASI294MC Color (4.63 microns) USB3 (Replaces ASI1600MC)
$699.00
ZWO ZWO UV IR CUT filter 2"
ZWO 2″ IR-cut filter is suitable for color camera with AR protect window.
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ZWO UV IR CUT filter 2"
$49.00
ZWO ZWO 36mm Narrowband Filters - OIII, Ha, SII
Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula
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ZWO 36mm Narrowband Filters - OIII, Ha, SII
$169.00
ZWO ZWO New LRGB Premium Filters Optimized for the ASI1600
The new ZWO LRGB Filters are designed to approximately equalize the flux of ASI1600 mono sensor
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ZWO New LRGB Premium Filters Optimized for the ASI1600
$148.00
ZWO ZWO LRGB 36mm Premium Filter Set
The ZWO LRGB 36mm filter has better transmission, better coating, better color separation
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ZWO LRGB 36mm Premium Filter Set
$199.00
ZWO ZWO 20nm CH4 Methane Band Filter - 1.25
The ZWO Methane band (CH4) filter is a special filter for photographic use.
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ZWO 20nm CH4 Methane Band Filter - 1.25
$99.00
ZWO ZWO 8-Position EFW Color Filter Wheel for 1.25" or 31mm Filters
Our latest EFW (Electronic Filter Wheel), larger than the previous but still low on weight. Only 400 grams (14 oz)!
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ZWO 8-Position EFW Color Filter Wheel for 1.25" or 31mm Filters
$299.00
ZWO ZWO ASI174MM Monochrome (5.86 microns) Astronomy Camera
Our brand new ASI174MM CMOS Monochrome Imaging Camera is based on the Sony Exmor IMX174 2.35MP sensor with Pregius global shutter technology.
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ZWO ASI174MM Monochrome (5.86 microns) Astronomy Camera
$499.00
ZWO ZWO T2 Tilter II
you can use the T2 Tilter to adjust the Camera imaging plane, reduce newton ring problem when imaging ha-solar
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ZWO T2 Tilter II
$48.00
ZWO ZWO Nikon lens Adapter for EFW
This New Nikon-EFW adapter is suitable for the EFW & Cooled camera (6.5mm backfocus version).
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ZWO Nikon lens Adapter for EFW
$48.00
ZWO ZWO New EOS Lens Adapter II for EFW & ASI1600
he Short EOS adapter for EFW & Cooled camera (6.5mm backfocus version)
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ZWO New EOS Lens Adapter II for EFW & ASI1600
$49.00
ZWO ZWO Desiccant Tablets for ASI Cooled Cameras
Four small desiccant tablets are used inside the sensor chamber to keep the sensor from forming dew or frost
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ZWO Desiccant Tablets for ASI Cooled Cameras
$19.00
ZWO ZWO 150-Degree CS-Mount Replacement Lens
This ZWO 2.1mm C-type lens produces a 150-degree field of view, and works well as an all-sky camera when used in conjunction with the ASI120, or any other ZWO camera with a 1/3" sensor. C/CS mount lens adapter is not included.
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ZWO 150-Degree CS-Mount Replacement Lens
$22.00
ZWO ZWO T2-T2 Adapter
To be used on the ASi1600
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ZWO T2-T2 Adapter
$12.00
ZWO ZWO M42 To CS or C adapter
This adapter has female C-mount threads on the inner diameter of the ring, and male T-threads on the outside diameter.
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ZWO M42 To CS or C adapter
$12.00