Specification | Epson PowerLite 1781W | Epson Home Cinema 740HD |
---|---|---|
Properties | ||
Projection System | 3LCD | 3LCD |
Projection Screen Size, Inch | 50 - 150 | 33 - 320 |
Pixel Number | 1024000 | 1024000 |
Color Reproduction | 1.07 billion | 1.07 billion |
Throw Ratio Range | 1.04 - 1.26 | 1.30:1 - 1.56:1 |
Contrast Ratio | 10000:1 | 15000:1 |
Power Consumption, W | 309 | 291 |
Brightness, Lumens | 3200 | 3000 |
Input Lag, Ms | ||
Aspect Ratio | 16:10 | 16:9 |
Noise Level, Dba | 39 | 37 |
Projection Distance, M/ft | 1.1 - 4.1/3.2 - 13.1 | 0.9 - 10.8/3.2 - 32 |
Features | ||
Projection Method | front, rear, ceiling mount, tabletop | front, rear, ceiling mount, tabletop |
Security | password protection | Kensington lock, password protection |
3d | ||
Mouse Functions | ||
Remote Control | ||
Connectivity | ||
Audio Output (3.5mm) | ||
Audio Input (3.5mm) | ||
Usb (service) | 1 | 1 |
Audio Input (rca) | 1 | 1 |
Usb | 1 | 1 |
Composite Video Input (rca) | 1 | 1 |
12v Trigger | ||
Vga Input | 1 | 1 |
Rs232 (db-9pin) | ||
Mhl | ||
Ethernet (rj45) | ||
Spdif (optical) | ||
Audio | ||
Integrated Speakers | ||
Sound Type | mono | mono |
Speaker Power, W | 1 | 1 |
Lens | ||
Lens Shift | vertical +/- 45%, horizontal +/- 30% | vertical +/- 30%, horizontal +/- 30% |
Focal Length, Mm | 22.5 - 47.2 | 16.9 - 20.28 |
F-number | 2.0 - 3.17 | 1.58 - 1.72 |
Zoom Ratio | 2.1x | 1.2x |
Dimensions | ||
Weight, Kg/pounds | 7.30/16.1 | 2.2/5.3 |
Size W X H X D, сm/inches | 5 x 29 x 21/1.97 x 11.42 x 8.27 | 27.9 x 22.8 x 7.6/11.7 x 9.3 x 3.3 |
Resolution | ||
Resolution Abbreviation | WXGA | WXGA |
Max Resolution (resized) | 1920 x 1200 | 1280 x 800 |
Native Resolution | 1280 x 800 | 1280 x 800 |
User Manual | ||
Manual | powerlite-1781w.pdf | home-cinema-740hd.pdf |
Video Compatibility | ||
Secam | ||
Pal | ||
Ntsc | ||
Operating Temperature | ||
Max, C/f | 35/95 | 35/95 |
Min, C/f | 5/41 | 5/41 |
Lamp | ||
Lamp Life (eco Mode), Hours | 7000 | 10000 |
Lamp Life (normal Mode), Hours | 4000 | 5000 |
Lamp Type, W | 214 | 200 |
Settings | ||
Keystone Adjustment Horizontal, +- Degrees | 30 | 30 |
Keystone Adjustment Vertical, +- Degrees | 30 | 30 |