ZWO
ZWO 8-Position Electronic Filter Wheel for 1.25" or 31mm Filters.
ZWO 8-Position Electronic Filter Wheel for 1.25" or 31mm Filters.
SKU:ZWO-EFW-8x1.25
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Product Description
The ZWO 8-Position Electronic Filter Wheel is designed for automated astrophotography and imaging setups. It holds up to eight 1.25" mounted filters or 31 mm unmounted filters, allowing fast and convenient filter changes during imaging sessions. Its CNC-machined aluminum construction, bidirectional stepper motor, and USB connectivity make it a practical choice for monochrome and narrowband astrophotography.
Technical Specifications
| Specification | Details |
|---|---|
| Filter Positions | 8 |
| Supported Filters | 1.25" mounted or 31 mm unmounted filters |
| Effective Thickness | 20 mm |
| Weight | 530 g |
| Material | Aluminum alloy |
| Motor | NPM stepper motor |
| Rotation | Bidirectional |
| Power | USB 5V |
| Power Consumption | Approx. 120 mA |
| Interface | USB Type-C |
| Backfocus | 20 mm |
| 1.25" Filter Thickness | Up to 7 mm |
| 31 mm Filter Thickness | 1.5–3.5 mm |
| Software Support | ASIAIR, ASIStudio, ASCOM and ZWO SDK |
| Operating Temperature | -20°C to 40°C |
What’s in the Box?
- ZWO 8-Position Electronic Filter Wheel
- 1.25" Cover
- T2 Nosepiece
- 1.25" Filter Holder with Cover and Screws
- T2–T2 Male Adapter
- Filter Masks
- M2 Screws
- USB Cable
- Phillips Screwdriver
The exact cable and mounting hardware may vary with the product revision.
Why Buy from Sky Deep Co.?
Sky Deep Co. is an official ZWO partner in Pakistan, offering genuine ZWO astronomy equipment with reliable product guidance, warranty support, secure packaging, and local customer assistance. As an authorized partner, Sky Deep Co. helps astrophotographers choose authentic equipment and get dependable support for their imaging setups.
FAQs
How many filters can the ZWO EFW 8×1.25 hold?
It can hold up to eight 1.25" mounted or 31 mm unmounted filters.
Can I use the EFW with ZWO ASIAIR?
Yes. The EFW supports ZWO ASIAIR, ASIStudio, ASCOM and ZWO SDK.
Does the filter wheel require external power?
No. It operates through a USB connection and uses 5V power.
What is the backfocus of the ZWO EFW?
The effective thickness and backfocus of the filter wheel are 20 mm.
Is the ZWO EFW suitable for narrowband imaging?
Yes. Its eight filter positions make it suitable for automated LRGB and narrowband astrophotography workflows.
