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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 ASI533MM Pro Cooled Monochrome Astronomy Camera - ASI533MM-P
The ZWO ASI533MM Pro is a cooled monochrome camera that comes with an impressive full well of 50,000e and a large 9.05MP sensor.
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ZWO ASI533MM Pro Cooled Monochrome Astronomy Camera - ASI533MM-P
$999.00
ZWO ZWO T2 to M43 adapter for ASI1600 ASI294 ASI183 ASI174
ZWO T2 to M43 adapter for ASI1600 ASI294 ASI183 ASI174
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ZWO T2 to M43 adapter for ASI1600 ASI294 ASI183 ASI174
$35.00
ZWO ZWO M42M-M48F 22.5mm Extender
This ZWO 22.5 mm extender was designed  to connect the ASI2600MM Pro camera to a 7x36 mm filter wheel.
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ZWO M42M-M48F 22.5mm Extender
$25.00
ZWO ZWO 2-1.25 filter adapter - ZWO 2-1.25FL
No need for buying another set of filter drawers, the 2”-1.25”filter adapter ring will help you directly fit the 1.25”filter onto 2” filter drawer or filter wheel.
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ZWO 2-1.25 filter adapter - ZWO 2-1.25FL
$16.00
ZWO ZWO M48-M48 Extender (16.5mm)
The ZWO M48-M48 16.5mm Adapter is useful to obtain a precise spacing when using a focal reducer or corrector that needs a certain chip-reducer spacing. It can also be used as a M48-M48 spacer.
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ZWO M48-M48 Extender (16.5mm)
$23.00
ZWO ZWO D32 AR Protection Window
Used for ASI1600 series, ASI294 series, ASI183 series.
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ZWO D32 AR Protection Window
$28.00
ZWO ZWO ASIAIR Shutter Release N3 Cable
ASIAIR PRO is a smart WiFi device that allows you to control Mainstream DSLR cameras
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ZWO ASIAIR Shutter Release N3 Cable
$9.90
ZWO ZWO Filter Drawer for EOS Lens
This Filter Drawer from ZWO is designed to work with ZWO ASI cooled cameras and an EOS lens
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ZWO Filter Drawer for EOS Lens
$99.00
ZWO ZWO M54 - M48 Adapter for EFW2" and M54 Filter Drawer
this 2 mm thick M54 Male to M48 Female Adapter to allow users to connect their ZWO 2" EFW Electronic Filter Wheel or M54 Filter Wheel to M48 threaded cameras
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ZWO M54 - M48 Adapter for EFW2" and M54 Filter Drawer
$12.00
ZWO ZWO Filter Mask for 7x36 EFW
These ZWO Filter Masks come with M2 screws for attachment to 7-Position EFW Electronic Filter Wheels for 36 mm Filters
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ZWO Filter Mask for 7x36 EFW
$15.00
ZWO ZWO ASI294MM USB3.0 Mono Astronomy Camera
If you are looking for a small-format monochrome camera, then the ASI294MM Mono Astronomy camera from ZWO is a great choice!
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ZWO ASI294MM USB3.0 Mono Astronomy Camera
$999.00
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ZWO ZWO ASI2600MM Pro USB3.0 Cooled Monochrome Camera
The ZWO ASI2600MM Pro cooled camera uses the innovative Sony IMX571 CMOS back-illuminated sensor.
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ZWO ASI2600MM Pro USB3.0 Cooled Monochrome Camera
$2,280.00
$1,999.00
ZWO ZWO 2" Duo-Band Filter - DB2
ZWO Duo-Band filters are dual narrowband filters that pass light at both H-Alpha (656 nm) and OIII (500 nm) wavelengths.
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ZWO 2" Duo-Band Filter - DB2
$149.00
ZWO OIII 7nm Filter - 2 Inch - OIII7nmD2
ZWO OIII 7nm Filter - 2 Inch - OIII7nmD2
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ZWO OIII 7nm Filter - 2 Inch - OIII7nmD2
$249.00
ZWO ZWO T2 to CS or C Adapter
ZWO T2 to CS or C Adapter
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ZWO T2 to CS or C Adapter
$12.00
ZWO ZWO Electronic Automatic Focuser - Temperature Sensor
Temperature Sensor for the ZWO Electronic Automatic Focuser.
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ZWO Electronic Automatic Focuser - Temperature Sensor
$9.90
ZWO ZWO H Alpha 7nm 2" Filter - HA7nmD2
Narrowband filters are great if you are looking to reduce transmissions of certain types of light like mercury vapor,
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ZWO H Alpha 7nm 2" Filter - HA7nmD2
$249.00
ZWO ZWO SII 7nm 2" Filter - SII7nmD2
Narrowband filters are great for astroimagers looking to increase the contrast between the celestial object and the night sky.
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ZWO SII 7nm 2" Filter - SII7nmD2
$249.00
ZWO ZWO 2 Inch Narrowband Filter Set - OIII, Ha, SII
Narrowband filters are a great astrophotography tool when it comes to imaging during times of high light pollution.
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ZWO 2 Inch Narrowband Filter Set - OIII, Ha, SII
$699.00
ZWO ZWO H-Alpha 7nm CCD Filter - 2 Inch
ZWO H-Alpha 7nm CCD Filter - 2 Inch
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ZWO H-Alpha 7nm CCD Filter - 2 Inch
$249.00
ZWO ZWO LRGB 2 Inch Premium Filter Set
ZWO's 2" LRGB set comes complete with 2" Luminance (UV-IR Cut), Red, Green, and Blue filters. ZWO's filter design boasts excellent 92% transmission at passband, great optical coatings, and good color separation.
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ZWO LRGB 2 Inch Premium Filter Set
$299.00
ZWO ZWO 7 Position EFW Color Filter Wheel for 2 Inch Filters
This ZWO EFW filter wheel is electronic, powered using the included 2m USB2.0 cable.
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ZWO 7 Position EFW Color Filter Wheel for 2 Inch Filters
$399.00
ZWO ZWO USB3.0 Type B Cable - USB3-2M
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 - USB3-2M
$19.00
ZWO ZWO M42-M42 extender (21mm length )
This adapter can help you to reach 55mm back focus distance
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ZWO M42-M42 extender (21mm length )
$18.00