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ZWO 7x50mm EFW for ASI461MM Pro
ZWO 7x50mm EFW for ASI461MM Pro
ZWO 7x50mm EFW for ASI461MM Pro

ZWO 7x50mm EFW for ASI461MM Pro

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ZWO 7x50mm EFW for ASI461MM Pro Camera

The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed!

Adopting the quality step motors produced by NPM, Japan, features very high precision and reliable performance.

Can be rotated in both counterclockwise and clockwise directions for filter selection in use.

Also, can be directly connected to the USB 2.0 ports of the ASI cooled cameras.


  • Power supply method: USB 2.0
  • Control method: ASCOM and SDK
  • Driver: Free of driver
  • Module: 7 positions, 50mm*50mm
  • Weight: 1kg

Requirements for Filters

  1. Square;
  2. 50*50*3mm (Thickness supported: 3~4mm).

Specifications: ZWO 7x50mm EFW for ASI461MM Pro

Mechanical diagram:

Connection diagram:

What's in the Box

What's in the Box: ZWO 7x50mm EFW for ASI461MM Pro

  • ZWO 7x50mm EFW
  • 0x75mm cross screwdriver
  • 2m USB 2.0 right-angle cable
  • 0.5m USB 2.0 right-angle cable
  • 50mm*50mm filter masks (10pcs)
  • Darkening rings set
  • M2.5*6 screws (12pcs)
  • M3*8 screws(6pcs)
  • M2*4 screws (26pcs*2bags)


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