Usb A4 Book Document Camera Scanner Curve Flattening Document Camera For Teachers
High Speed Portable Usb Doc Scanner A4 Book Curve Flattening No Split Need 8MP Document Camera
The greatest benefit of document cameras is the ability to give a close-up view of small objects and documents to an entire classroom. A single doc cam can save thousands of pages of paper in a year (no need to make copies for every student!) and can even help you save money on textbooks and other class materials.
Here are ten thoughtful ways to apply document cameras in your classroom and make lessons more engaging, interactive, and memorable
| Sensor: | SONY 1/3.2” |
| Pixel: | 8 mega |
| Lens: | F2.260° viewing angle |
| Output resolution: |
MJPG: 800*600 1024*768 1280*1024 1280*720 1920*1080 2048*1536 2592*1944 3264*2448 3000*4000(Photo support) YUY2: 800*600 1024*768 1280*1024 1280*720 1920*1080 2048*1536 2592*1944 3264*2448(Software support) |
| Ambient illumination range: | 10Lux~2000Lux Optimum working illumination range :80Lux-300Lux |
| MIC: | Inbuild |
| Output resolution: | 3264*2448 |
| TV line: | >1200线 |
| Video output format: | YUY2,MJPG |
| Focus: | 300mm fixed focus |
| Interface: | USB B |
| Transmission speed: | 10 frame/second 3264*2448 ；30frame/second 720P |
| SNR: | 48db(30frame/second 220LUX) |
| Dynamic range: | 68db |
| Imaging distance: | >5cm |
| Compression Mode: | DSP |
| White balance: | Auto |
| Color compensation: | Auto |
| Working temp: | 0°~45°C |
| Working humidity: | <85% |
| Storage temp: | -20°~ 60°C |
| Storage humidity: | <85% |
| Standby current: | <25 mA |
| Working current: | <300mA |
| Scanning size: | A4 300~350mm |
| Products size: | 45cm*14.5cm*7.5cm |
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