Sentech : STC-AF56A
Description
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.
Specifications
| 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 |

