The QHYCFW3 series filter wheels are available in multiple sizes to accommodate filters from 1.25-inch to 50 millimeters square.
QHYCFW3 filter wheels can be controlled by either an independent external program using the filter wheel’s USB port or via a special 4-pin port. When connected to the QHY 4-pin port there is no need for an additional power cable or control program. All of the filter wheel functions can be controlled through the QHY camera.
Specification:
Filter Wheel | Filter Supported | Recommended Gears | Back Focus Consumed* | Weight | Note |
CFW3SR/CFW3US | 7*1.25-inch mounted/31mm unmounted | QHY533M, QHY183M QHY5III Mono Planetary Cams (CFW1.25”Adapter needed) | 20mm (SR)+4mm (Adapter) 15.5mm (SR)+4mm (Adapter) | About 430g | There’s no difference between S-SR and S-US expect their depth, but S-SR can be compatible with thicker 1.25” mounted filters. |
CFW3M-SR | 5*2-inch mounted/50mm unmounted | QHY268M, QHY600M | 20.5mm+2mm (Adapter) | About 720g | |
CFW3M-US | 7*36mm unmounted | QHY163M, QHY294M, QHY268M | 17mm+2mm (Adapter) | About 700g | |
CFW3L | 7*2-inch mounted/50mm unmounted | QHY600M (PH/Pro) | 21.5mm | About 900g | |
CFW3XL | 9*2-inch mounted/50mm unmounted or 7*50mm square unmounted | QHY461PH QHY600M-PH SBFL | 21.5mm | About 1500g | A special adapter needed when connecting QHY600 SBFL and CFW3XL, see http://tokoteleskop.com/cc/music/classical/qhy600sbfl-cfw3xl-adapter/ |
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