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ZWO

Whether your focus is deep-sky imaging or planetary capture, ZWO (Suzhou ZhenWang Optoelectronics) has redefined modern astrophotography. At David Astro, we are a trusted Canadian authorized dealer for ZWO equipment, recognized for hands-on expertise, technical support, and an extensive in-stock inventory. With fast shipping across Canada, the USA, and worldwide, we make it easy to get the right gear quickly, so you can focus on imaging rather than waiting for equipment.

We carry the full lineup of ZWO cameras, mounts, focusers, and accessories, and our team actively uses this equipment under Canadian skies. Our goal is to help you configure and operate your system efficiently, reducing setup complexity and maximizing imaging performance.

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CA$279.00
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ZWO EAFN Electronic Automatic Focuser

Handles imaging payloads up to 11 lbs (5kg) High-precision stepper motor with 128:1 gear ratio Single USB-C port for power and data ASCOM, INDI, a...

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CA$279.00
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CA$335.00 - CA$335.00
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ZWO EFW - 8 x 1.25" or 31mm

For 1.25" or 31mm filters Easy to install on the telescope and the camera Filters are easy to ins...

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CA$335.00 - CA$335.00
CA$335.00
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CA$279.00
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CA$253.00

ZWO Electronic Filter Wheel EFW Gen2 - 5 x 1.25"

5 filter positions for 1.25" or 31mm filters Adds 20 mm of back focus to the imaging train USB-C powered and controlled Redesigned housing for imp...

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CA$279.00
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CA$279.00
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CA$419.00
CA$419.00 - CA$419.00
CA$419.00
CA$379.00
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CA$379.00

ZWO Electronic Filter Wheel EFW Gen2 - 5 x 2"

Holds 5 x 2" mounted or 50mm unmounted filters Adds only 20 mm of back focus to the imaging train Stepper motor for precise, repeatable filter sel...

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CA$419.00
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CA$419.00
CA$379.00
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CA$559.00
CA$559.00 - CA$559.00
CA$559.00
CA$506.00
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CA$506.00

ZWO Electronic Filter Wheel EFW Gen2 - 7 x 2"

Holds seven 2" mounted or 50mm unmounted filters Adds 20 mm of back focus to the imaging train Stepper motor for precise, quiet filter selection S...

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CA$559.00
CA$559.00 - CA$559.00
CA$559.00
CA$506.00
CA$506.00 - CA$506.00
CA$506.00
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CA$419.00
CA$419.00 - CA$419.00
CA$419.00
CA$379.00
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CA$379.00

ZWO Electronic Filter Wheel EFW Gen2 - 7 x 36mm

Houses seven 36mm unmounted filters Adds a minimal 20mm of back focus to the imaging train 7-position carousel for LRGB, narrowband, or custom set...

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CA$419.00
CA$419.00 - CA$419.00
CA$419.00
CA$379.00
CA$379.00 - CA$379.00
CA$379.00
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ZWO Electronic Filter Wheel EFW Gen2 - 7 x 50mm Square dimensions diagram
ZWO Electronic Filter Wheel EFW-7x50-26 - 7 x 50mm Square
CA$845.00 - CA$845.00
CA$845.00
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CA$845.00

ZWO Electronic Filter Wheel EFW Gen2 - 7 x 50mm Square

Holds 7 individual 50mm square filters Designed for large format monochrome cameras like the ASI461MM Pro Adds only 16mm of optical path length to...

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CA$845.00 - CA$845.00
CA$845.00
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CA$419.00
CA$419.00 - CA$419.00
CA$419.00
CA$379.00
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CA$379.00

ZWO Electronic Filter Wheel EFW Gen2 - 8 x 1.25"

Holds 8 x 1.25" mounted or 31mm unmounted filters Adds 20 mm of back focus to the imaging train USB-powered stepper motor for precise filter selec...

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CA$419.00
CA$419.00 - CA$419.00
CA$419.00
CA$379.00
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CA$379.00
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CA$83.00
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CA$74.00
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ZWO EOS Lens Adapter for 2" EFW

Connects Canon EOS lenses to a ZWO 2" Electronic Filter Wheel M54x0.75 male thread that threads directly into the 2" EFW Enables filtered, wide-fi...

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CA$83.00
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CA$69.00
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CA$62.00
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CA$62.00

ZWO EOS Lens Adapter for EFW

Connects Canon EF lenses to ZWO Electronic Filter Wheels (EFW); EF-S lenses are not supported Engineered for ZWO cameras with 6.5mm back focus (e....

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CA$69.00
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CA$69.00
CA$62.00
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CA$62.00
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CA$433.00 - CA$433.00
CA$433.00
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CA$433.00

ZWO FF107/FF130 APO 0.7× Universal Reducer

0.7x Focal Reduction Factor Designed for ZWO FF107 & FF130 APO Refractors Triplet Optical Design with 1 ED Element Standard 55mm Back Focus In...

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CA$433.00 - CA$433.00
CA$433.00
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CA$433.00
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ZWO FF110 APO Refractor w/ AM5N Astrophotography Bundle
ZWO FF110 APO Refractor w/ AM5N Astrophotography Bundle
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CA$6,084.00
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CA$6,084.00
CA$4,939.00
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CA$4,939.00

ZWO FF110 APO Refractor w/ AM5N Astrophotography Bundle

Telescope: ZWO FF110-APO 110mm f/7 Quadruplet Refractor Image Circle: 44mm, covers full-frame sensors natively Mount: ZWO AM5N Harmonic Drive E...

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CA$6,084.00
CA$6,084.00 - CA$6,084.00
CA$6,084.00
CA$4,939.00
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ZWO FF110 APO Refractor w/ AM7 Astrophotography Bundle
ZWO FF110 APO Refractor w/ AM7 Astrophotography Bundle
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CA$7,064.00
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CA$7,064.00
CA$5,639.00
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CA$5,639.00

ZWO FF110 APO Refractor w/ AM7 Astrophotography Bundle

ZWO FF110-APO 110mm f/7 Quadruplet Refractor ZWO AM7 Harmonic Drive Mount with 44 lb. Counterweight-Free Payload ZWO TC40 Carbon Fiber Tripod with...

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CA$7,064.00
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CA$5,639.00
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CA$2,109.00
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CA$2,109.00
CA$1,902.00
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ZWO FF110-APO 110mm Quadruplet Refractor F/7.0

110mm Aperture 766mm Focal Length (f/7) 4-Element Apochromatic Optics 44mm Corrected Image Circle 3-inch Dual-Speed Rack & Pinion Focuser 14.9...

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CA$2,109.00
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CA$1,902.00
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ZWO FF131 APO Refractor w/ AM5N Astrophotography Bundle
ZWO FF131 APO Refractor w/ AM5N Astrophotography Bundle
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CA$6,784.00
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CA$5,639.00
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ZWO FF131 APO Refractor w/ AM5N Astrophotography Bundle

Telescope: 131mm f/7.5 Quadruplet Apochromatic Refractor Image Circle: 44mm native flat-field, full-frame coverage Mount: AM5N Harmonic Drive w...

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CA$6,784.00
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CA$6,784.00
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ZWO FF131 APO Refractor w/ AM7 Astrophotography Bundle
ZWO FF131 APO Refractor w/ AM7 Astrophotography Bundle
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CA$7,764.00
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CA$6,349.00
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ZWO FF131 APO Refractor w/ AM7 Astrophotography Bundle

Telescope: ZWO FF131 APO 131mm f/7.5 Quadruplet Refractor Image Circle: 44mm, corrected for full-frame sensors Mount: ZWO AM7 Strain-Wave GoTo ...

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CA$7,764.00
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CA$2,819.00
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CA$2,537.00
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ZWO FF131-APO 131mm Quadruplet Refractor F/7.5

131mm (5.15") Aperture 983mm Focal Length (f/7.5) 4-Element Quadruplet Apochromatic Optics 44mm Flat-Field Image Circle 3" Dual-Speed Rack & P...

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CA$2,819.00
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CA$279.00 - CA$279.00
CA$279.00
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CA$279.00

ZWO FF65 APO 0.75× Full Frame Reducer

Reduces FF65 APO focal ratio to f/4.8 0.75x reduction factor for wider fields of view Standard 55mm back focus from the M48 thread Integrated M48x...

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CA$279.00 - CA$279.00
CA$279.00
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CA$279.00
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ZWO FF70 APO Refractor w/ AM3N Astrophotography Bundle
ZWO FF70 APO Refractor w/ AM3N Astrophotography Bundle
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CA$3,564.00
CA$3,564.00 - CA$3,564.00
CA$3,564.00
CA$2,959.00
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CA$2,959.00

ZWO FF70 APO Refractor w/ AM3N Astrophotography Bundle

Complete astrophotography bundle including telescope, mount, tripod, and pier extension ZWO FF70 APO: 70mm f/7 quadruplet refractor with a native ...

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CA$3,564.00
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CA$849.00
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CA$760.00
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CA$760.00

ZWO FF70-APO 70mm Quadruplet Refractor F/7.0

70mm Aperture 490mm Focal Length (f/7) 4-Element Quadruplet Apochromatic Optics 44mm Full-Frame Image Circle Native Flat-Field Design 2.4" Dual-Sp...

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CA$849.00
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CA$349.00 - CA$349.00
CA$349.00
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CA$349.00

ZWO FF80 APO 0.76× Full Frame Reducer

0.76x focal reduction factor Designed for the ZWO FF80-APO Refractor Triplet optical design with one ED element Standard 55 mm back focus Integrat...

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CA$349.00 - CA$349.00
CA$349.00
CA$349.00 - CA$349.00
CA$349.00
ZWO FF90 APO Refractor w/ AM3N Astrophotography Bundle
ZWO FF90 APO Refractor w/ AM3N Astrophotography Bundle
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CA$4,124.00
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CA$4,124.00
CA$3,529.00
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CA$3,529.00

ZWO FF90 APO Refractor w/ AM3N Astrophotography Bundle

Telescope: ZWO FF90 90mm f/6.8 Quadruplet APO Refractor Mount: ZWO AM3N Harmonic Drive GoTo Mount Tripod: ZWO TC40 Carbon Fiber Tripod Pier Ex...

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CA$4,124.00
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CA$1,409.00
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CA$1,409.00
CA$1,268.00
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CA$1,268.00

ZWO FF90-APO 90mm Quadruplet Refractor F/6.8

90mm Aperture 609mm Focal Length (f/6.8) 4-Element Quadruplet Optical Design 44mm Full-Frame Image Circle 3" Dual-Speed Rack & Pinion Focuser ...

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CA$1,409.00
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CA$139.00
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CA$139.00
CA$126.00
CA$126.00 - CA$126.00
CA$126.00

ZWO Filter Drawer for EOS Lens

Connects Canon EOS lenses to ZWO ASI cameras Accepts standard 2" mounted filters Magnetic holder for secure, fast filter changes Adds 26.5mm of op...

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CA$139.00
CA$139.00 - CA$139.00
CA$139.00
CA$126.00
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CA$126.00
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The ZWO Ecosystem: Integrated Imaging

ZWO’s strength lies in its ecosystem approach. Cameras, mounts, focusers, filter wheels, rotators, and software are designed to operate as a single, cohesive system, controlled via the ASIAIR smart controller. That means fewer driver conflicts, simpler cable management, and an automation workflow that runs from your phone or tablet, without a dedicated laptop at the mount.

  • ASIAIR Series (Plus, Mini): Centralized control for automation and imaging management.
  • ASI Cameras: High-performance cooled and uncooled CMOS sensors for deep-sky, planetary, lunar, and solar imaging.
  • EAF (Electronic Automatic Focuser): Maintains precise focus throughout extended sessions.
  • EFW (Electronic Filter Wheel): Enables automated filter switching for LRGB and narrowband imaging.
  • ZWO AM Series Mounts (AM3N, AM5N, AM7): Compact, high-torque harmonic drive mounts for stable tracking.
  • CAA (Camera Angle Adjuster): Rotate precisely for framing, composition, and off-axis guiding optimization.

Why Choose David Astro for ZWO?

Buying ZWO equipment is an investment in both hardware and workflow. David Astro is more than a retailer; we provide expert guidance, technical support, and reliable service. As a trusted Canadian source for ZWO, we offer:

  • Authorized Retailer: Full manufacturer warranty and verified authenticity on all ZWO products.
  • In-stock Inventory: Large selection of cameras, mounts, and accessories ready for immediate shipment from Canada.
  • Expert Guidance: Specialized support for building your complete imaging train, including sensor selection and back-focus calculations.
  • Repair & Service: In-house support and diagnostics for ZWO equipment, reducing downtime and simplifying after-sales support.
  • Fast Shipping: Reliable delivery across Canada, the USA, and worldwide.

From component selection to system calibration or image processing, we support every stage of your astrophotography workflow.

ZWO Canada: Frequently Asked Questions

Is the warranty the same as buying from the manufacturer?

Yes, you receive the full ZWO manufacturer warranty. Warranty claims and repairs are handled through us, in Canada.

Are all items shipped from within Canada?

Yes. All items marked as in stock are held in our Canadian inventory.

Can you help with system compatibility?

Yes. We regularly help customers calculate back-focus distances and select the correct adapters to ensure their ZWO imaging train works perfectly with their specific telescope and reducer.

Ready to build your ZWO system?

In-stock inventory, Canadian warranty, and expert support. Ships from Canada. Contact us for guidance!