Skip to content
July 1st: Store will be closed for Canada Day. Orders placed that day will ship on July 2nd.
July 1st: Store will be closed for Canada Day. Orders placed that day will ship on July 2nd.

Language

Country

ZWO Brand Logo

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.

Filters

Original price $129.00 - Original price $249.00
Original price
$129.00 - $249.00
$129.00 - $249.00
Current price $129.00

ZWO Narrowband H-alpha Filter - 7nm

Options available
1 variants in stock

Isolates Hydrogen-Alpha light at a 7nm bandpass Standard 1.25" threaded metal cell Blocks light pollution and moonlight for extreme contrast Multi...

View full details
Original price $129.00 - Original price $249.00
Original price
$129.00 - $249.00
$129.00 - $249.00
Current price $129.00
Original price $129.00 - Original price $249.00
Original price
$129.00 - $249.00
$129.00 - $249.00
Current price $129.00

ZWO Narrowband OIII Filter - 7nm

Options available
3 variants in stock

7nm Bandpass at OIII Emission Line Isolates Planetary Nebulae and Supernova Remnants Standard 1.25" Threaded Filter Cell 1/4 Wave Optical Substrat...

View full details
Original price $129.00 - Original price $249.00
Original price
$129.00 - $249.00
$129.00 - $249.00
Current price $129.00
Original price $129.00 - Original price $249.00
Original price
$129.00 - $249.00
$129.00 - $249.00
Current price $129.00

ZWO Narrowband SII Filter - 7nm

Options available
3 variants in stock

Isolates the 672nm Sulfur-II emission line 7nm bandpass for high-contrast imaging Standard 1.25" threaded metal cell 1/4 wave polished substrate w...

View full details
Original price $129.00 - Original price $249.00
Original price
$129.00 - $249.00
$129.00 - $249.00
Current price $129.00
Original price $59.00 - Original price $59.00
Original price
$59.00
$59.00 - $59.00
Current price $59.00

ZWO Nikon Lens Adapter for EFW

ZWO-EFW-Nikon-II
1 in stock

Connects Nikon F-mount lenses to ZWO Electronic Filter Wheels Engineered for cameras with 6.5mm back focus Provides 20 mm of spacing Standard M42x...

View full details
Original price $59.00 - Original price $59.00
Original price
$59.00
$59.00 - $59.00
Current price $59.00
Original price $69.00 - Original price $69.00
Original price
$69.00
$69.00 - $69.00
Current price $69.00

ZWO Nikon-T2 Adapter

ZWO-Nikon-T2-II
2 in stock

Attaches Nikon F-mount lenses to ZWO cameras Standard M42x0.75 T-thread camera interface 29mm main body length for 17.5mm back-focus cameras Inclu...

View full details
Original price $69.00 - Original price $69.00
Original price
$69.00
$69.00 - $69.00
Current price $69.00
Original price $128.00 - Original price $128.00
Original price
$128.00
$128.00 - $128.00
Current price $128.00

ZWO OAG

ZWO-OAG
1 in stock

Eliminates Differential Flexure Reduces Overall System Weight Includes 1.25" Guide Camera Holder 5mm T2 Extender for Spacing Adjustment M42 and M4...

View full details
Original price $128.00 - Original price $128.00
Original price
$128.00
$128.00 - $128.00
Current price $128.00
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

ZWO OAG-L

ZWO-OAG-L

Large 12mm x 12mm prism for brighter guide stars M68, M54, and M48 connection options 17.5mm thickness preserves 55mm backfocus Designed for ZWO A...

View full details
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00
Original price $18.23 - Original price $18.23
Original price
$18.23
$18.23 - $18.23
Current price $18.23

ZWO Replacement Antenna for ASIAIR Plus

ZWO-ASIAIR-ANTENNA
1 in stock

Original price $18.23 - Original price $18.23
Original price
$18.23
$18.23 - $18.23
Current price $18.23
Original price $15.32 - Original price $15.32
Original price
$15.32
$15.32 - $15.32
Current price $15.32

ZWO Replacement Fan for ASI Cameras

Options available
2 variants in stock

Official ZWO OEM replacement fan Restores original cooling performance to Cooled/Pro cameras Includes all necessary mounting hardware Backed by a ...

View full details
Original price $15.32 - Original price $15.32
Original price
$15.32
$15.32 - $15.32
Current price $15.32
Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00

ZWO Sensor Tilt Plate - M42

ZWO-M42-Plate
1 in stock

Corrects sensor tilt for flat fields and sharp stars edge-to-edge Adds only 5mm of thickness to the optical path M42x0.75 threads for direct conne...

View full details
Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00
Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00

ZWO Sensor Tilt Plate - M48

ZWO-M48-Plate
1 in stock

Corrects Sensor Tilt: Ensures sharp stars across the entire image field by squaring the camera sensor to the optical axis. 5 mm Optical Path Lengt...

View full details
Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00
Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00

ZWO Sensor Tilt Plate - M54

ZWO-M54-Plate

Corrects sensor tilt for ZWO full-frame ASI6200, 2600, and 2400 cameras Connects compatible cameras and the M68 OAG to a 2" EFW Adds a minimal 5mm...

View full details
Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00
Original price $9.90 - Original price $9.90
Original price
$9.90
$9.90 - $9.90
Current price $9.90

ZWO Shutter Release Cable for ASIAIR PRO

Options available
1 variants in stock

Unlocks bulb exposures beyond 30 seconds on select Nikon DSLRs Connects ASIAIR PRO or PLUS directly to the camera's shutter port 1-meter (3.3 ft) ...

View full details
Original price $9.90 - Original price $9.90
Original price
$9.90
$9.90 - $9.90
Current price $9.90
Original price $19.00 - Original price $19.00
Original price
$19.00
$19.00 - $19.00
Current price $19.00

ZWO Soft Bag for Cooled Cameras

ZWO-Softbag1

Compact 10cm x 10cm x 10.5cm Dimensions Official OEM Bag for All ZWO Cooled Cameras Constructed from Padded Heavy-Duty Fabric Lightweight Alternat...

View full details
Original price $19.00 - Original price $19.00
Original price
$19.00
$19.00 - $19.00
Current price $19.00
Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00

ZWO Sony E Adapter for ASI Cameras

ZWO-Sony-NEX
1 in stock

Connects Sony NEX (E-mount) lenses to ZWO ASI cameras Standard M42x0.75 female thread for direct camera attachment Enables wide-field astrophotogr...

View full details
Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00
Original price $18.00 - Original price $18.00
Original price
$18.00
$18.00 - $18.00
Current price $18.00

ZWO T-Mount Adapter - 1.25"

ZWO-T-Mount
1 in stock

Connects T-threaded cameras to 1.25" focusers Standard M42x0.75 male T-threads Internally threaded for 1.25" astronomy filters Dur...

View full details
Original price $18.00 - Original price $18.00
Original price
$18.00
$18.00 - $18.00
Current price $18.00
Original price $18.00 - Original price $18.00
Original price
$18.00
$18.00 - $18.00
Current price $18.00

ZWO T2 Female to Female Adapter - 11mm

ZWO-T2-T2-11
1 in stock

Adds exactly 11 mm of spacing to your imaging train Female M42x0.75 T2 threads on both sides Connects two male T-threaded components Black anodize...

View full details
Original price $18.00 - Original price $18.00
Original price
$18.00
$18.00 - $18.00
Current price $18.00
Original price $12.00 - Original price $12.00
Original price
$12.00
$12.00 - $12.00
Current price $12.00

ZWO T2 Male to T2 Male Adapter

ZWO-T2-T2
3 in stock

Connects two female M42 T-threaded components Adds a fixed 2mm of optical path length Male-to-male M42x0.75 thread on both sides Durable black ano...

View full details
Original price $12.00 - Original price $12.00
Original price
$12.00
$12.00 - $12.00
Current price $12.00
Original price $48.00 - Original price $48.00
Original price
$48.00
$48.00 - $48.00
Current price $48.00

ZWO T2 Tilter II

ZWO-T2-Tilter-II
2 in stock

Corrects sensor tilt for sharp stars edge-to-edge Eliminates Newton's rings in H-alpha solar imaging Adds only 11 mm of back focus to the imaging ...

View full details
Original price $48.00 - Original price $48.00
Original price
$48.00
$48.00 - $48.00
Current price $48.00
Original price $12.00 - Original price $12.00
Original price
$12.00
$12.00 - $12.00
Current price $12.00

ZWO T2 To C/CS Adapter

ZWO-T2-CS
2 in stock

Connects C-mount and CS-mount lenses to T2-threaded cameras Adds a precise 7mm to the optical path length Standard M42x0.75 female threads for uni...

View full details
Original price $12.00 - Original price $12.00
Original price
$12.00
$12.00 - $12.00
Current price $12.00
Original price $59.00 - Original price $59.00
Original price
$59.00
$59.00 - $59.00
Current price $59.00

ZWO T2 to Canon EOS EF-Mount Lens Adapter

ZWO-EOS-T2-II
1 in stock

Connects Canon EF lenses to any ZWO camera with M42 T2-threads Two-part design supports cameras with 12.5mm or 17.5mm back focus Includes a 5mm T2...

View full details
Original price $59.00 - Original price $59.00
Original price
$59.00
$59.00 - $59.00
Current price $59.00
Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00

ZWO T2 to Micro 4/3 Lens Adapter

ZWO-T2-M43
1 in stock

Adapts M42x0.75 (T2) Threads to Micro 4/3 (M43) Lens Mount Enables Use of Photographic Lenses on ZWO Astronomy Cameras All-Metal, Black Anodized C...

View full details
Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00
Original price $16.00 - Original price $16.00
Original price
$16.00
$16.00 - $16.00
Current price $16.00

ZWO T2-1.25" Filter Adapter

ZWO-T2-1.25-3
1 in stock

Connects M42 (T2) threaded cameras to 1.25" filters Adds only 1 mm of optical length to the imaging train Maintains critical back focus for correc...

View full details
Original price $16.00 - Original price $16.00
Original price
$16.00
$16.00 - $16.00
Current price $16.00
Original price $25.00 - Original price $25.00
Original price
$25.00
$25.00 - $25.00
Current price $25.00

ZWO T2-1.25" Holder

ZWO-T2-1.25M
1 in stock

Connects T2 (M42x0.75) Male Threads to 1.25" Barrels Non-Marring Brass Compression Ring Secure Single-Screw Locking Mechanism Durable, Low-Profile...

View full details
Original price $25.00 - Original price $25.00
Original price
$25.00
$25.00 - $25.00
Current price $25.00

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 with no hidden import fees for Canadian customers.

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. By purchasing through David Astro, your warranty and any necessary repairs are handled domestically in Canada, eliminating the need for international shipping and customs paperwork.
Are all items shipped from within Canada?
Yes. All items marked as in stock are held in our Canadian inventory. This ensures that Canadian buyers do not face surprise duties or brokerage fees upon delivery.
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!