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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 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 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 7x36mm II Electronic Filter Wheel (Pre-owned)
ZWO 7x36mm II Electronic Filter Wheel (Pre-owned)
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ZWO 7x36mm II Electronic Filter Wheel (Pre-owned)
$199.00
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 Seestar Vision X Binoculars
ZWO Seestar Vision X Binoculars
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ZWO Seestar Vision X Binoculars
$69.00
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 ZWO DC12V-10A Adapter - US
ZWO DC12V-10A Adapter - US
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ZWO DC12V-10A Adapter - US
$69.00
ZWO ZWO ASI662MM USB3.0 Color Astronomy Camera - ASI662MM
ASI662MM planetary camera with high-sensitivity.
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ZWO ASI662MM USB3.0 Color Astronomy Camera - ASI662MM
$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-P USB3.0 Cooled Pro Mono Astronomy Camera
ZWO ASI585MM-P USB3.0 Cooled Pro Mono Astronomy Camera
One Camera For All
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ZWO ASI585MM-P USB3.0 Cooled Pro Mono Astronomy Camera
$699.00
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 Darkening ring set for ASI461MM-P set / D90
Darkening ring set for ASI461MM-P set
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ZWO Darkening ring set for ASI461MM-P set / D90
$9.90
ZWO ZWO H-Alpha 7nm CCD Filter - 1.25" - ZWO-Ha7nm1.25
The ZWO Ha 7nm Filter is mounted in a metal 1.25" cell and comes in a protective plastic case.
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ZWO H-Alpha 7nm CCD Filter - 1.25" - ZWO-Ha7nm1.25
$149.00
ZWO Canon EF 24mm F/2.8 USM
Canon EF 24mm F/2.8 USM
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Canon EF 24mm F/2.8 USM
$225.00
ZWO ZWO Silver Plate for PE200 and TC40 Carbon fiber tripod
ZWO Silver Plate for PE200 and TC40 Carbon fiber tripod
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ZWO Silver Plate for PE200 and TC40 Carbon fiber tripod
$39.00
ZWO ZWO USB3.0 Type-B Cable
This USB Cable is made to be used with the USB3.0 cameras and other matching devices.
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ZWO USB3.0 Type-B Cable
$19.00
ZWO ZWO 0.7x Full-Frame Reducer for FF107-APO and FF130-APO Refractors
ZWO 0.7x Full-Frame Reducer for FF107-APO and FF130-APO Refractors
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ZWO 0.7x Full-Frame Reducer for FF107-APO and FF130-APO Refractors
$399.00
ZWO ZWO 0.75x Full-Frame Reducer for FF65-APO Refractor
ZWO 0.75x Full-Frame Reducer for FF65-APO Refractor
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ZWO 0.75x Full-Frame Reducer for FF65-APO Refractor
$249.00
ZWO ZWO Filter Masks for EFW 7X2/5X2
These ZWO Filter Masks come with M2 screws for attachment to 7 or 5 Position EFW Electronic Filter Wheels for 2 inch Filters. 
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ZWO Filter Masks for EFW 7X2/5X2
$15.00
ZWO ZWO ASI991MM-P USB3.0 Cooled Mono SWIR Camera
ZWO ASI991MM-P USB3.0 Cooled Mono SWIR Camera
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ZWO ASI991MM-P USB3.0 Cooled Mono SWIR Camera
$12,800.00
ZWO ZWO M54 Filter Drawer - 2" - FD-M54-II
This new version of the ZWO M54 2" filter drawer is NOT compatible with the first-generation ZWO spare filter holder.
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ZWO M54 Filter Drawer - 2" - FD-M54-II
$79.00