3. Technical Specifications
The following specifications are for a model using the 20B44 CMOS camera front end, other
front end camera models are available.
20NF744
Electrical
NTSC
PAL
Image Sensor
1/4" CMOS
640 x 480 @ 30 fps
640 x 480 @ 25 fps
Active Pixels
5.6µm x 5.6µm
Video Compression
MPEG 4 & M-JPEG
Sensitivity
1 lux (50 IRE) F1.4 3200K, w/o OLP filter
0.2 lux (30 IRE) F1.4 3200K, w/o OLP filter lens transmission
80%, scene reflection 75%
Signal To Noise Ratio
46dB (AGC On)
Gamma
0.45 default
Gain
Automatic 36 dB (default)
Synchronization
Internal
Back Light Compensation
Default Off
White Balance
AWB (default)/fixed (selectable via software)
Shutter Mode
Electronic Rolling Shutter
Shutter Speed
Auto exposure or fixed
Frame Rate
30 fps
25 fps
Scan Mode
Interlaced
Contour Enhancement
Default on, (selectable via software) (0 to max)
Mirror Mode
Yes (selectable via software)
Dynamic Range
73.4 dB
Iris Controls
Electronic (DC signal)
Video Output
CVBS (75 Ohms)
Power Input
12VDC (+/- 20%)
Power Consumption
<400 mA
Environmental
Operating Temperature
-40° C ~ 85° C (-40° F ~ 185° F)
(functional to 105° C /221° F)
Storage Temperature
-40° C ~ 90° C (-40° F ~ 194° F)
Operating Humidity
20% - 93% RH
Storage Humidity
20% - 93% RH
Mechanical
Dimensions W x H x D
50.4mm x 50.4mm x 92.2mm (1.98” x 1.98” x 3.63”)
Weight
321g (11 oz)
Doc # INS-20NF744
Issue Date: 04/16/2009
Revision: A
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