The Optoma HD27e is a compact (3.7 x 11.7 x 9 inches) functional device, which copes well with its main task in a room with moderate exposure. Fast response and high-quality built-in sound make this projector a good option for games. The remote control is comfortable to use, but it has to b
Read MoreThe 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 HD27e | ViewSonic PX747-4K |
---|---|---|
Properties | ||
Input Lag, Ms | 16 | |
Aspect Ratio | 16:9 | 16:9 |
Noise Level, Dba | 27 | |
Projection Distance, M/ft | 1.2 - 10/3.2 - 32 | 1.9 - 7.8/3.2 - 22.9 |
Projection System | DLP | DLP |
Projection Screen Size, Inch | 30 - 300 | 60 - 200 |
Pixel Number | 2304000 | 8294400 |
Color Reproduction | 1.07 billion | 1.07 billion |
Throw Ratio Range | 1.47:1 - 1.62:1 | 1.47:1 - 1.76:1 |
Contrast Ratio | 25000:1 | 12000:1 |
Power Consumption, W | 330 | 310 |
Brightness, Lumens | 3400 | 3500 |
Lamp | ||
Lamp Life (normal Mode), Hours | 3500 | 4000 |
Lamp Type, W | 240 | 240 |
Lamp Life (eco Mode), Hours | 12000 | 15000 |
Connectivity | ||
Ethernet (rj45) | ||
Spdif (optical) | ||
Audio Output (3.5mm) | ||
Audio Input (3.5mm) | ||
Usb (service) | 1 | |
Audio Input (rca) | 1 | |
Usb | 1 | 1 |
Composite Video Input (rca) | 1 | |
12v Trigger | 1 | 1 |
Vga Input | 1 | |
Rs232 (db-9pin) | ||
Mhl | ||
Audio | ||
Sound Type | mono | mono |
Speaker Power, W | 10 | 10 |
Integrated Speakers | ||
Settings | ||
Keystone Adjustment Vertical, +- Degrees | 40 | |
Keystone Adjustment Horizontal, +- Degrees | ||
Lens | ||
Zoom Ratio | 2.0x | |
Lens Shift | vertical +/- 40% | |
Focal Length, Mm | 15.59 - 17.14 | |
F-number | 2.1 - 2.31 | |
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 | 2.7/6.8 | 4.01/8.84 |
Size W X H X D, сm/inches | 7.6 x 27.9 x 22.8/3.7 x 11.7 x 9 | 12.7 x 33 x 25.4/5.3 x 13.1 x 10.3 |
Resolution | ||
Resolution Abbreviation | HD | 4K |
Max Resolution (resized) | 1920 x 1200 | 3840 x 2160 |
Native Resolution | 1920 x 1080 | 3840 x 2160 |
User Manual | ||
Manual | hd27e.pdf | px747-4k.pdf |
Video Compatibility | ||
Secam | ||
Pal | ||
Ntsc | ||
Operating Temperature | ||
Max, C/f | 40/104 | 40/104 |
Min, C/f | 5/41 | 0/32 |