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
ZWO Narrowband H-alpha Filter - 7nm
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 detailsZWO Narrowband OIII Filter - 7nm
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 detailsZWO Narrowband SII Filter - 7nm
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 detailsZWO Nikon Lens Adapter for EFW
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 detailsZWO Nikon-T2 Adapter
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 detailsZWO OAG
Eliminates Differential Flexure Reduces Overall System Weight Includes 1.25" Guide Camera Holder 5mm T2 Extender for Spacing Adjustment M42 and M4...
View full detailsZWO 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 detailsZWO Replacement Antenna for ASIAIR Plus
ZWO Replacement Fan for ASI Cameras
Official ZWO OEM replacement fan Restores original cooling performance to Cooled/Pro cameras Includes all necessary mounting hardware Backed by a ...
View full detailsZWO Sensor Tilt Plate - M42
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 detailsZWO Sensor Tilt Plate - M48
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 detailsZWO Sensor Tilt Plate - M54
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 detailsZWO Shutter Release Cable for ASIAIR PRO
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 detailsZWO Soft Bag for Cooled Cameras
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 detailsZWO Sony E Adapter for ASI Cameras
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 detailsZWO T-Mount Adapter - 1.25"
Connects T-threaded cameras to 1.25" focusers Standard M42x0.75 male T-threads Internally threaded for 1.25" astronomy filters Dur...
View full detailsZWO T2 Female to Female Adapter - 11mm
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 detailsZWO T2 Male to T2 Male Adapter
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 detailsZWO T2 Tilter II
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 detailsZWO T2 To C/CS Adapter
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 detailsZWO T2 to Canon EOS EF-Mount Lens Adapter
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 detailsZWO T2 to Micro 4/3 Lens Adapter
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 detailsZWO T2-1.25" Filter Adapter
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 detailsZWO T2-1.25" Holder
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 detailsThe 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!