visual presenter technical specification
New High Pixels Visual Presenter
Portable Document Camera
High Pixel Visual Presenter,visualizer
Model | 2800ND | 2800NV | |
Optical parts | lens | F=1.6 -- 3.7mm, f=4 – 88mm | F=1.6 -- 3.7mm, f=4 – 88mm |
Display area | maximum 380×270 mm | maximum 380×270 mm | |
Zoom | Optical 22 times, digital 10 times | Optical 22 times, digital 10 times | |
Focus | Automatic | Automatic | |
Aperture | Automatic | Automatic | |
Video system | Camera | 1 / 4 " CMOS Colorful | 1 / 4 " CMOS Colorful |
Actual Pixels | 2,000,000 | 2,000,000 | |
Horizontal Definition | 700TV line | 700TV line | |
SNR | 60 | 60 | |
White balance | Automatic | Automatic | |
Image processing functions | Positive/ Negative,(remote control) Brightness adjustment, Image freeze, Mirror, (remote control) Colorful/ Black and White, (remote control) Divide Screen(image split) Text / Image Mode, (remote control) Capture, 128 image storage (save after power off) (remote control) | Positive/ Negative, (remote control) Brightness adjustment, Image freeze, Mirror, (remote control) Colorful/ Black and White, (remote) Divide Screen(image split) Text / Image Mode, (remote control)
16 image storage (no save after power off) (remote control) | |
Lighting parts | Assistant light | LED Light 2W | LED Light 2W |
Input port | VGA*1 | Yes | Yes |
Output port | VGA*2 | Yes | Yes |
Video | NO | Yes | |
USB | Yes | None | |
Control manner | Control panel | Yes | Yes |
remote control | Optional | Optional | |
USB control | None | None | |
RS-232 control | Yes | Yes | |
Use environment | power supply | DC 12V | DC 12V |
Power consumption | ≤24W | ≤24W | |
Packing |
| Carton dimension: 38.5*31.5*15cm Gross weight:4kg | Carton dimension: 38.5*31.5*15cm Gross weight:4kg |