The QHY5-III series camera is the USB3.0 super speed camera with a guide port. It still uses 1.25inch style eyepiece design and it has the adjustable location ring for confocal with an eyepiece. QHY5-III is very tight, but powerful.
QHY5-III has an advanced thermal design. The heat generated by the CMOS sensor is transferred onto the telescope's eyepiece tube. Another part of the heat can be transferred to the heat sink on the location ring and cooled by air.
The QHY5-III supply both native WDM drivers and Broadcast WDM drivers. It means you can use it as an ultra high performance webcam for video chat or video live broad cast. You can share the realtime astronomy scene to your friends with this camera.