By: Sentech
Industrial, USB, & Medical Cameras
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
Auto Focus Block Camera (Medium Resolution)
The Sentech STC-AF56A auto focus block camera has all of the same low vision magnifier reading system features and “on-camera” processing as the STC-AF66 camera.

The STC AF56A has a standard resolution (510 x 494) CCD. It is ideal for applications where precision detail is required using auto focus and zoom capabilities with a close target.

Type Block
Image Sensor 1/6" Interline Color CCD (ICX296AKA)
Effective Picture Element 510 (H) x 492 (V)
Total Picture Element 537 (H) x 505 (V)
Cell Size 4.8 (H) x 3.75 (V) μm
Scanning System 2:1 Interlace / Non-Interlace
Scanning Frequency 60Hz
Vertical Frequency 59.94 Hz
Horizontal Frequency 15.734 kHz
Resolution Horizontal: 330 TV Lines, Vertical: 350 TV Lines
S/N Ratio >48dB (AGC Off)
Minimum Illumination 1.67 Lux @ F1.6, 20 IRE; 3.47 Lux @ F1.6, 50 IRE
Sync System Internal / External
Video Output NTSC Composite, Y/C, RGB Interlace, RGB progressive out for PC monitors (VGA compatible)
Electronic Shutter Shutter speeds selectable via the serial communication
Gain Adjustable gain via serial communication or AGC (On/Off)
Gamma Fixed values via the serial communication
White Balance Auto / Fixed white balance selectable via the serial communication
Auto The range is 2800 K to 7000 K
Fixed 3 positions: 3200 K, 4100 K, 5100 K
Video Processing Normal, High Contrast & Super High Contrast Mode, High Contrast Mode Includes: Negative/Positive (Selectable),30 Pre-Programmed Pseudo Colors Combinations (user definable)
AF Lens Control (Focus) Auto, Manual Focus or Auto w/ manual override
AF Lens Control (Zoom) Zoom position adjustable via the serial communication
Zoom Range 3.9 ~ 85.8 mm (Optical)
Auto Focus Hunting Control ON/OFF selectable via the serial communication
Line Generator Thickness, color, position & orientation (horizontal and/or vertical) via the serial communication
Shadow Mask Generator Darkness, position & orientation (Horizontal and/or Vertical) via the serial communication
Character Generator Built-in full screen character generation function via the serial communication
Mirror Modes Normal or mirror image (horizontal reversed) via serial communication
Picture Modes 26 modes including normal, bright and 24 pseudo colors
Communication RS232 serial communication
Software Control All camera DSP and lens setup parameters are controlled via the serial communication
Auto Focus Lens Integral lens with motorized zoom, focus and iris controls
Optical Zoom From 3.9mm to 85.8mm (22X Optical Zoom Range)
Aperture F1.6 (at f=3.9 mm) to F3.7 (at f=85.8 mm)
Close-Up Lens No close-up lens
Power Input Voltage: 12Vdc (Input voltage range is 7~15V), Consumption: 250mA at 12Vdc input
Temperature and Humidity Operational: -5°C ~ 45°C ( 14°F ~ 113°F), Storage: -20°C ~ 65°C ( -4°F ~ 149°F)
Dimensions 58.2 (W) x 52.7 (H) x 87.1 (D) mm

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Prices and specifications subject to change without notice.