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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 ASI174 Mini Mono (5.86 microns) Guiding Camera USB 2.0
ASI174MM Mini camera integrates Sony IMX174LLJ / IMX174LQJ 1/1.2″ sensor (11.3 mm x 7.1 mm). It is ZWO's first mini camera.
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ZWO ASI174 Mini Mono (5.86 microns) Guiding Camera USB 2.0
$499.00
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
$179.00
ZWO ZWO 850nm IR Pass Filter - 1.25
IR 850nm Pass Filter is suitable for IR sensitive cameras.
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ZWO 850nm IR Pass Filter - 1.25
$29.00
ZWO ZWO UV IR CUT filter 1.25"
ZWO 1.25″ IR UV CUT filter is suitable for color camera with AR protect window.
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ZWO UV IR CUT filter 1.25"
$29.00
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
$599.00
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 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 D25 IR-CUT Protection Window
Used for ASI174MC to protect the sensor from dust and humidity
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ZWO D25 IR-CUT Protection Window
$19.00
ZWO ZWO D25 AR Protection Window
It’s used for ASI174MM cameras to protect the sensor from dust and humidity.
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ZWO D25 AR Protection Window
$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 OAG Body Only (OPEN BOX)
ZWO OAG - Body Only (OPEN BOX)
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ZWO OAG Body Only (OPEN BOX)
$95.00
ZWO USB2.0 Type-B Cable 18 Inch (Replacement) (Limited Quantities)
ZWO USB2.0 Type-B Cable 18 Inch (Replacement) (Limited Quantities)
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ZWO USB2.0 Type-B Cable 18 Inch (Replacement) (Limited Quantities)
$14.00
ZWO ZWO EFW Filter Wheel - 7x2 - 25
A re-engineered internal design helps reduce light leakage, while the refined mechanics deliver smoother, more consistent rotation.
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ZWO EFW Filter Wheel - 7x2 - 25
$399.00
ZWO ZWO 7x36mm II Electronic Filter Wheel (Pre-owned)
A compact motorized filter wheel, the ZWO 7×36mm II provides fast, precise electronic filter changes for LRGB and narrowband astrophotography setups.
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ZWO 7x36mm II Electronic Filter Wheel (Pre-owned)
$199.00
ZWO ZWO ASI4400MC Pro
ZWO ASI4400MC Pro CCD imager.
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ZWO ASI4400MC Pro
$2,999.00
ZWO ZWO Duo-Band Filters
The Duo-Band filter offers an economical entry into the world of narrowband imaging and can also offer a practical solution to imaging in light polluted urban areas.
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ZWO Duo-Band Filters
$99.00
ZWO WO ASI992MM-P SWIR DSO Cooled Camera
WO ASI992MM-P SWIR DSO Cooled Camera
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WO ASI992MM-P SWIR DSO Cooled Camera
$19,800.00
ZWO ZWO EAFN Electronic Automatic Focuser
A high-precision electronic automatic focuser designed for astrophotography, offering smooth, accurate, and fully automated focus control for a wide range of telescopes.
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ZWO EAFN Electronic Automatic Focuser
$199.00
ZWO ZWO NEW EAF PRO Electronic Automatic Focuser - New Pro Version # EAF-Pro
A high-precision electronic automatic focuser designed for astrophotography, offering smooth, accurate, and fully automated focus control for a wide range of telescopes.
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ZWO NEW EAF PRO Electronic Automatic Focuser - New Pro Version # EAF-Pro
$299.00
ZWO ZWO ASI2600MM Air
ZWO’s ASI2600MM Air is a wireless monochrome astro camera with a 26MP Sony IMX571 sensor, TEC cooling, ultra-low noise, 16-bit ADC, and onboard computing—ideal for high-detail mono imaging without a PC.
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ZWO ASI2600MM Air
$2,499.00
ZWO ZWO ASI585MM USB3.0 Mono Astronomy Camera
The ZWO ASI585MM USB3.0 Mono Astronomy Camera equipped with the latest Sony IMX585 CMOS sensor. This high-performance camera features a large sensor format of 1/1.2", a resolution of 3840×2160, and an exceptional characteristic of ZERO AMP GLOW! It boasts
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ZWO ASI585MM USB3.0 Mono Astronomy Camera
$499.00
ZWO ZWO M54-M54 16.5mm Extender
M54-M54-16.5 adapter
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ZWO M54-M54 16.5mm Extender
$18.00
ZWO ZWO M54-M54 21mm Extender
M54-M54-21mm adapter
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ZWO M54-M54 21mm Extender
$18.00
ZWO ZWO M54-Tilter
The M54 tilter makes sensor tilt adjustment much easier
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ZWO M54-Tilter
$59.00