ZWO 7x50mm Square Filter Wheel


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

7-10 days delivery

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.

Power supply method: USB 2.0

Control method: ASCOM and SDK

Driver: Free of driver

Module: 7 positions, 50mm*50mm

Weight: 1kg

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

Requirements for Filters

1) Square;

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

In the Box

  1. EFW
  2. 0x75mm cross screwdriver
  3. 2m USB 2.0 right-angle cable
  4. 0.5m USB 2.0 right-angle cable
  5. 50mm*50mm filter masks (10pcs)
  6. Darkening rings set
  7. M2.5*6 screws (12pcs)
  8. M3*8 screws(6pcs)
  9. M2*4 screws (26pcs*2bags)

Mechanical Diagram

Connection Methods

ZWO 7x50mm Square Filter Wheel