The high brightness and native 4K resolution, accurate color mapping, and contrast make the ViewSonic PX747-4K a worthy choice for the home theater setup. It doesn’t depend much on the environment light and has the enhanced zoom mechanism en
Read MoreSpecification | Optoma HD66 | ViewSonic PX747-4K |
---|---|---|
Video Compatibility | ||
Secam | ||
Pal | ||
Ntsc | ||
Operating Temperature | ||
Max, C/f | 40/104 | 40/104 |
Min, C/f | 5/41 | 0/32 |
Resolution | ||
Native Resolution | 1280 x 720 | 3840 x 2160 |
Resolution Abbreviation | HD | 4K |
Max Resolution (resized) | 1600 x 1200 | 3840 x 2160 |
Properties | ||
Throw Ratio Range | 1.55:1 - 1.70:1 | 1.47:1 - 1.76:1 |
Contrast Ratio | 4000:1 | 12000:1 |
Brightness, Lumens | 2500 | 3500 |
Power Consumption, W | 255 | 310 |
Aspect Ratio | 16:9 | 16:9 |
Input Lag, Ms | ||
Projection Distance, M/ft | 1.2 - 12/3.2 - 39.3 | 1.9 - 7.8/3.2 - 22.9 |
Noise Level, Dba | 32 | |
Projection Screen Size, Inch | 30 - 302 | 60 - 200 |
Projection System | DLP | DLP |
Pixel Number | 1920000 | 8294400 |
Color Reproduction | 1.07 billion | 1.07 billion |
Features | ||
Mouse Functions | ||
Remote Control | ||
Projection Method | front, rear, ceiling mount, tabletop | front, rear, ceiling mount, tabletop |
Security | Kensington lock, password protection | Kensington lock, password protection |
3d | ||
Connectivity | ||
Composite Video Input (rca) | 1 | |
12v Trigger | 1 | |
Vga Input | 2 | 1 |
Rs232 (db-9pin) | 1 | |
Mhl | ||
Ethernet (rj45) | ||
Spdif (optical) | ||
Audio Output (3.5mm) | ||
Audio Input (3.5mm) | ||
Usb (service) | 1 | |
Audio Input (rca) | 1 | 1 |
Usb | 1 | |
Settings | ||
Keystone Adjustment Horizontal, +- Degrees | ||
Keystone Adjustment Vertical, +- Degrees | 40 | |
Lamp | ||
Lamp Life (eco Mode), Hours | 4000 | 15000 |
Lamp Life (normal Mode), Hours | 3000 | 4000 |
Lamp Type, W | 185 | 240 |
Audio | ||
Sound Type | mono | mono |
Speaker Power, W | 2 | 10 |
Integrated Speakers | ||
Lens | ||
Zoom Ratio | ||
Lens Shift | vertical +/- 40% | |
Focal Length, Mm | ||
F-number | ||
Dimensions | ||
Weight, Kg/pounds | 2.3/4.4 | 4.01/8.84 |
Size W X H X D, сm/inches | 11 x 3.9 x 7.4/29 x 10 x 19 | 12.7 x 33 x 25.4/5.3 x 13.1 x 10.3 |
User Manual | ||
Manual | hd66.pdf | px747-4k.pdf |