ZWO
ZWO EFW 7-Position Electronic Filter Wheel (2 / 50.4 mm)
ZWO EFW 7-Position Electronic Filter Wheel (2 / 50.4 mm)
SKU:ZWO-EFW-7x2
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Product Description
The ZWO EFW 7-Position Electronic Filter Wheel is a compact and precise solution for automated filter changes during astrophotography. It holds up to seven 2-inch threaded or 50.4 mm unmounted filters, allowing astrophotographers to switch between LRGB, narrowband, and specialty filters without manually changing them. Its CNC-machined aircraft-grade aluminum body is only 20 mm thick and weighs approximately 650 g, making it suitable for advanced imaging setups.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | ZWO |
| Model | EFW-7x2 |
| Filter Capacity | 7 positions |
| Filter Compatibility | 2" threaded or 50.4 mm ±0.5 mm unmounted filters |
| Maximum Filter Thickness | ≤ 7 mm |
| Body Thickness | 20 mm |
| Weight | Approx. 650 g |
| Material | CNC-machined aircraft-grade aluminum |
| Motor | Japanese NPM stepper motor |
| Connection | USB 2.0 |
| External Power | Not required |
| Software Support | ASCOM & ZWO SDK |
| Backfocus with ASI6200 | Approx. 18 mm |
What Comes in the Box?
- 1 × ZWO EFW 7×2 Filter Wheel
- 1 × 2 m USB 2.0 Cable
- 1 × M54 Male to M48 Female Thin Adapter
- 1 × M54 Male to M48 Female Flanged Adapter
- 1 × M54 Male to M42 Female Adapter Ring
- Pre-installed filter carousel
- Documentation and mounting screws
Why Buy from Sky Deep Co?
Buy the ZWO EFW 7-Position Electronic Filter Wheel from Sky Deep Co. for genuine ZWO astronomy equipment and dependable support in Pakistan. Sky Deep Co. identifies itself as the only authorized ZWO and Celestron dealer in Pakistan, providing authentic products, expert gear consultation, local support, and nationwide delivery. Buying through an authorized dealer also gives astrophotographers greater confidence in product authenticity and after-sales support.
FAQs
1. How many filters can the ZWO EFW 7×2 hold?
It can hold up to seven 2-inch threaded or 50.4 mm unmounted filters
2. What filter thickness is supported?
The filter wheel supports filters up to 7 mm thick.
3. Does the ZWO EFW 7×2 require external power?
No. It is USB-powered, allowing control and power through a compatible camera or computer.
4. Which software can control the EFW 7×2?
The filter wheel supports ASCOM and ZWO SDK-based software, making it suitable for automated astrophotography workflows.
5. Is the ZWO EFW 7×2 suitable for monochrome astrophotography?
Yes. Its seven filter positions make it particularly useful for automated LRGB and narrowband imaging workflows
