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5. Performance Chart
5.1 QE & Readout Noise
QE curve and readout noise are the most important parameters to measure camera
performance. Higher QE and lower readout noise are necessary conditions to
improve the image signal-to-noise ratio.
Readout noise includes pixel noise, circuit noise, and ADC quantization noise. The
lower readout noise, the better. As shown in the figure, the readout noise of the
SV605MC is very low compared with conventional CCD cameras. Built-in HCG
mode, which can effectively reduce readout noise at high gain, so that the camera
maintains the same wide dynamic range as at low gain. When the gain is 100, the
HCG mode is automatically turned on, the readout noise is as low as 1.2e, and the
dynamic range can still reach a level close to 14bit. The parameter settings are also
different depending on your shooting target. Turn down the gain, the dynamic range
will become larger, suitable for long exposures. Increase the gain, the readout noise
will be further reduced, which is suitable for short exposure or lucky imaging.
5.2 Power Consumption
The SV605MC camera is a low-power camera. When the camera is powered by a
USB cable, the maximum power consumption is 1.85W. But for cooling function, you
need to use a 12V@5A power adapter (D5.5*2. lmm, center positive), or you can use
a lithium battery (supports a wide range of 11V to 15V). The picture below is the
cooling efficiency diagram of our freezer camera. A cooling temperature difference of
30 degrees only requires a current of 0.5A.
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