QHY4040
18
Non-volatile memory / On camera
storage
Build-in total 512Kbytes Flash Memory. 100Kbytes user-accessible
space
for stellar ROI frames for analysis of exoplanet investigation,
occultations, atmospheric seeing messurement, focus , optic analysis
etc. Support 100*100 image x 10rames 50*50 image x40frames.
25*25 image x160frames 10*10 image * 1000 frames
（
total frame
numbers is based on 8bit image
）
Exposure Ending Hardware Pulse
Output
Yes. With the Trig-Out signal in the camera
GPIO
Four High Speed FPGA Controlled GPIO . Can be used for high
precise GPS timestamp socket. Or the Electric Shutter on/off
waveform output for GPS Card. Or Multiple Camera Synchronized
Port and so on.
Cooling System
Dual Stage TE Cooler
（
-35C below ambient
）
Fan Cooling / Water Cooling
Default setup is fan cooling. QHYCCD also supply the water cooling
version.
Anti-Dew Heater
Yes
Telescope Interface
M54/0.75 female thread on the fast installer/center adjust ring
Optic Window Type
AR+AR High Quality Multi-Layer Anti-Reflection Coating
Back Focal Length
17.5mm
（
±0.2
）
Weigth
TBD
