8
TECHNICAL SPECIFICATIONS OF ACIS SERIES
ACIS 2.4
ACIS 7.1
ACIS 12.3
Sensor
Sony IMX249
CMOS
Sony IMX428
CMOS
Sony IMX304
CMOS
Resolution H
1936 x pixels
3208 x pixels
4096 x pixels
Resolution V
1216 x pixels
2208 x pixels
3008 x pixels
Pixel size
5.86 µm
4.5 µm
3.45 µm
Readout Noise
6.6e- (Typical) at
low gain
3e- (Typical) at
low gain
2.4e- (Typical) at
low gain
ADC
12 bit
12 bit
12 bit
Cooling
T(amb)-35°C
(Regulated)
T(amb)-35°C
(Regulated)
T(amb)-35°C
(Regulated)
Water assist
No
No
No
Back Focus
12.5 mm ±0.5
12.5 mm ±0.5
12.5 mm ±0.5
Max exposure
Unlimited
Unlimited
Unlimited
Min exposure
0.001s
0.001s
0.001s
Gain factor
Variable
Variable
Variable
Full well capacity
~33,000e-
~20,000e-
~11,000e-
Thread on front
M42 x 0.75
M42 x 0.75
M42 x 0.75
Weight
Approximately
530g
Approximately
530g
Approximately
530g
Dark current
~0.62 e-/pix/sec
at -10°C
~0.03 e-/pix/sec
at -10°C
~0.027 e-/pix/sec
at -10°C
Interface
USB 3.0
USB 3.0
USB 3.0
Power
12VDC 2A
(Centre positive)
12VDC 2A
(Centre positive)
12VDC 2A
(Centre positive)
Mono or colour
Either
Either
Either
Shutter type
Global shutter
Global shutter
Global shutter
Frames per
second
Up to 175 FPS (with region of interest) and 28 FPS
full frame.
The formula to calculate focal length is:
(Pixel Size (µm) / Focal Distance (mm)) * 206.3 = angular resolution
(arcseconds/pixel)