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This Combo A2 is to connect the QHY294M or QHY163M to a Canon EF lens.

Kit Content

  • 10mm M54 Canon EF Adapter*1
  • 4mm M54 Screwed Adapter*1
  • 3mm Spacer*1
  • 1mm Spacer*1
  • Cam Top Adapter (originally 020063)
  • 10mm M3 Screws*8


  • QHY294M/163M
  • CFW3M-US

Diagram for Combo A2 - QHY294M/QHY163M with Medium Ultra Slim Filter Wheel and Canon Lens Adapter

QHY Combo A2 Diagram

Note: You need to remove the filter wheel and the original connection interface of the camera and replace it with a new adapter.