Large size. Support seven unmounted 50*50mm rectangle filter.

QHYCFW2-L is the secondary generation color filter wheel of QHYCCD. We improved the mechanical design and electric design. The QHYCFW2-L has the following advantages:

  • Gear driven disk. Stable and solid.
  • Specially designed filter disk allow different glass thickness for unmounted filters. From 0.7mm to 5mm.
  • Motor moved to a corner to increase the work area.
  • Increased the precision for filter location.
  • Support USB port and powered by USB when connected with computer.
  • Support the 4PIN QHY CFW socket on QHY11,QHY21/22/23 and InterCam series camera.
  • Support the 2pin socket with QHY9(Need external power supply).
  • Open Source Firmware, Arduino compatible

Mechanical Information for QHYCFW2-L

It has both M84/0.75, 5mm thickness thread on telescope side and camera side. One the telescope side it has six M3 screw holes. One the camera side it has six 3mm through holes.
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Driver and Software Download
ASCOM FiltersPlug-in
ASCOM Filter[RS232] plug-in

Document Download

Refer to User Manual