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 MoreHere’s the detailed Optoma UHD51A review. The projector features native UHD quality, HDR10 compatibility, enhanced color mode, versatile connections, and regulation mechanisms. This device creates a high-quality image on a short distance while preserv
Read MoreSpecification | ViewSonic PX747-4K | Optoma UHD51A |
---|---|---|
Connectivity | ||
Spdif (optical) | ||
Audio Output (3.5mm) | 1 | |
Audio Input (3.5mm) | 1 | |
Usb (service) | 1 | 1 |
Usb | 1 | 3 |
Audio Input (rca) | 1 | 1 |
12v Trigger | 1 | 1 |
Composite Video Input (rca) | 1 | |
Rs232 (db-9pin) | 1 | |
Vga Input | 1 | 1 |
Mhl | ||
Ethernet (rj45) | ||
Audio | ||
Speaker Power, W | 10 | 10 |
Integrated Speakers | ||
Sound Type | mono | stereo |
Lens | ||
Zoom Ratio | 1.3x | |
Lens Shift | vertical +/- 15% | |
Focal Length, Mm | 20.91 - 32.62 | |
F-number | 2.5 - 3.26 | |
Properties | ||
Projection Distance, M/ft | 1.9 - 7.8/3.2 - 22.9 | 1 - 8.1/3.4 - 26.4 |
Noise Level, Dba | 28 | |
Projection Screen Size, Inch | 60 - 200 | 30 - 300 |
Projection System | DLP | DLP |
Pixel Number | 8294400 | 8294400 |
Color Reproduction | 1.07 billion | 1.07 billion |
Throw Ratio Range | 1.47:1 - 1.76:1 | 1.21:1 - 1.59:1 |
Contrast Ratio | 12000:1 | 500000:1 |
Brightness, Lumens | 3500 | 2400 |
Power Consumption, W | 310 | 317 |
Aspect Ratio | 16:9 | 16:9 |
Input Lag, Ms | ||
Lamp | ||
Lamp Type, W | 240 | 240 |
Lamp Life (eco Mode), Hours | 15000 | 15000 |
Lamp Life (normal Mode), Hours | 4000 | 4000 |
Features | ||
Projection Method | front, rear, ceiling mount, tabletop | front, rear, ceiling mount, tabletop |
Security | Kensington lock, password protection | Kensington lock, password protection |
3d | ||
Mouse Functions | ||
Remote Control | ||
Dimensions | ||
Weight, Kg/pounds | 4.01/8.84 | 6.5/11.7 |
Size W X H X D, сm/inches | 12.7 x 33 x 25.4/5.3 x 13.1 x 10.3 | 39.2 x 28.1 x 12.9/15.4 x 11.1 x 5.1 |
Resolution | ||
Resolution Abbreviation | 4K | 4K |
Max Resolution (resized) | 3840 x 2160 | 3840 x 2160 |
Native Resolution | 3840 x 2160 | 3840 x 2160 |
Video Compatibility | ||
Secam | ||
Pal | ||
Ntsc | ||
Operating Temperature | ||
Max, C/f | 40/104 | 40/104 |
Min, C/f | 0/32 | 5/41 |
Settings | ||
Keystone Adjustment Horizontal, +- Degrees | ||
Keystone Adjustment Vertical, +- Degrees |