Auto Focus Block Camera (Medium Resolution)

The Sentech STC-AF56B 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 AF56B has a standard resolution (510 x 494) CCD. This camera also has an optional dual element close up lens, which allows the camera to auto focus through the entire zoom range at a target only 25 cm away.

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: 480 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	Gain adjustable via the serial communication
Gamma	Gamma selectable 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 with 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	250mm close-up lens built-on
Power	Input Voltage: 12Vdc (Input voltage range is 7~15V), Consumption: 250mA at 12Vdc input
Temperature and Humidity	Operational: -5°C ~ 45°C, Storage: -30°C ~ 65°C
Dimensions	58.2 (W) x 52.7 (H) x 87.1 (D) mm