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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 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"
$59.00
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
$199.00
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 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 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
$249.00
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 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 T2-1.25" Filter Adapter # T2-1.25-3
ZWO T2-1.25″ Filter adapter
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ZWO T2-1.25" Filter Adapter # T2-1.25-3
$16.00
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 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
ZWO ZWO OIII 7nm Filter - 31mm (LIMITED QUANTITIES)
ZWO OIII 7nm Filter - 31mm (1.25")
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ZWO OIII 7nm Filter - 31mm (LIMITED QUANTITIES)
$149.00
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 EFW Filter Wheel - 8x1.25 - 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 - 8x1.25 - 25
$299.00
ZWO ZWO EFW Filter Wheel - 7x36 - 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 - 7x36 - 25
$299.00
ZWO ZWO ASI585MM Air Wireless Smart Astronomy Camera
ZWO ASI585MM Air Wireless Smart Astronomy cooled CCD imager.
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ZWO ASI585MM Air Wireless Smart Astronomy Camera
$1,299.00
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 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 SII 7nm Filter - 1.25
The ZWO SII 7nm Filter (1.25-inch) isolates the sulfur-II (SII) emission line at 672.4 nm, making it ideal for capturing detailed images of emission nebulae and other deep-sky objects that emit strongly in this wavelength.
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ZWO SII 7nm Filter - 1.25
$149.00
ZWO ZWO SII 7nm Filter - 31mm (LIMITED QUANTITIES)
ZWO SII 7nm Filter - 31mm (1.25")
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ZWO SII 7nm Filter - 31mm (LIMITED QUANTITIES)
$149.00
ZWO ZWO ASI678MM Monochrome Astronomy Camera
A Highly Sensitive Planetary Camera From ZWO
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ZWO ASI678MM Monochrome Astronomy Camera
$399.00
ZWO ZWO Soft Bag 2 for Larger ZWO Cooled Cameras (2400,2600,6200 Cameras)
ZWO Soft Bag for Large ZWO Cooled Cameras
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ZWO Soft Bag 2 for Larger ZWO Cooled Cameras (2400,2600,6200 Cameras)
$19.00