ZWO Five Position Electronic Filter Wheel - 1.25" and 31 mm
Best electronic filter wheel for efficient deep-sky astrophotography workflows.
Streamline your astrophotography workflow with this electronic filter wheel. Designed to be exceptionally lightweight and compact, it easily amplifies your camera's capabilities. It offers five positions to hold either 1.25-inch or 31mm filters, allowing for quick and convenient changes during long imaging sessions. Powered simply via USB, this accessory is an excellent upgrade for camera users seeking efficiency and enhanced performance in their celestial observations.
$199.00
Owner Satisfaction
4.6
/ 5
Category Rank
1569
/ 2593
#1569 in Telescope Accessories
Price vs Category Average
-70%
Below average
Filter Positions
5
Who it's for
- Astrophotographers capturing long sequences without manual intervention
- Imagers working with tight back focus constraints
- Users switching between mounted and unmounted filter types
Who should skip it
- Advanced imagers needing extensive filter suites
- Photographers looking to minimize cable clutter
- Users operating large format sensors or fast optics
Performance breakdown
Workflow efficiency
Automated filter switching significantly reduces downtime during long imaging sessions.
Build quality
Durable aluminum construction ensures stability for sensitive optical equipment.
Portability
Lightweight design minimizes strain on your telescope's focuser assembly.
Integration ease
Standard USB power and M42 threading simplify complex astrophotography setups.
Versatility
Dual support for 1.25-inch and 31mm filters offers excellent configuration flexibility.
Back focus management
Compact 20mm profile leaves ample room for additional imaging train components.
Key Specs
Filter Positions
5
Filter Size
1.25"/31mm
Weight
0.66 lbs
Material
Aluminum
Connection Interface
M42 Thread, USB 2.0
Power Source
USB Powered
Back Focus
20 mm
Camera/Eyepiece Side Connection
Female M42x0.75
Know before you buy
Yes, the wheel is designed to accommodate both 1.25-inch mounted filters and 31mm unmounted filters, giving you flexibility depending on your current filter collection.
No, the unit is powered entirely through its USB 2.0 connection, which helps keep your cable management simple and reduces the number of power bricks needed at your telescope.
This unit has a back focus requirement of 20mm. You will need to account for this distance when calculating your total imaging train length to ensure you can reach focus with your telescope.
Yes, it features female M42x0.75 threads on both the camera and telescope sides, making it highly compatible with most standard astrophotography cameras and adapters.
The wheel is quite lightweight, weighing only 0.66 lbs (approx. 300g). Its compact aluminum design is intended to minimize strain on your focuser while maintaining structural durability.
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Ready to buy?
$199