Epson PowerLite 1781W VS
Optoma W331
- Brand - Epson
- Aspect Ratio - 16:10
- REMOTE CONTROL - true
- Brand - Optoma
- Aspect Ratio - 16:10
- REMOTE CONTROL - true
Specifications
Groups
| Specification | Epson PowerLite 1781W | Optoma W331 |
|---|---|---|
| Features | ||
| Remote Control | ||
| Projection Method | front, rear, ceiling mount, tabletop | front, rear, ceiling mount, tabletop |
| Security | password protection | Kensington lock, password protection |
| 3d | ||
| Mouse Functions | ||
| Connectivity | ||
| Vga Input | 1 | 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 | 1 |
| Composite Video Input (rca) | 1 | 1 |
| 12v Trigger | ||
| Video Compatibility | ||
| Pal | ||
| Ntsc | ||
| Secam | ||
| Operating Temperature | ||
| Min, C/f | 5/41 | 5/41 |
| Max, C/f | 35/95 | 40/104 |
| Properties | ||
| Contrast Ratio | 10000:1 | 22000:1 |
| Power Consumption, W | 309 | 253 |
| Brightness, Lumens | 3200 | 3300 |
| Input Lag, Ms | ||
| Aspect Ratio | 16:10 | 16:10 |
| Noise Level, Dba | 39 | 29 |
| Projection Distance, M/ft | 1.1 - 4.1/3.2 - 13.1 | 1.2 - 32.1/3.2 - 104.9 |
| Projection System | 3LCD | DLP |
| Projection Screen Size, Inch | 50 - 150 | 36 - 300 |
| Pixel Number | 1024000 | 2304000 |
| Color Reproduction | 1.07 billion | 1.07 billion |
| Throw Ratio Range | 1.04 - 1.26 | 1.54:1 - 1.71:1 |
| Lamp | ||
| Lamp Life (eco Mode), Hours | 7000 | 10000 |
| Lamp Life (normal Mode), Hours | 4000 | 5000 |
| Lamp Type, W | 214 | 195 |
| Settings | ||
| Keystone Adjustment Horizontal, +- Degrees | 30 | |
| Keystone Adjustment Vertical, +- Degrees | 30 | 40 |
| Audio | ||
| Sound Type | mono | mono |
| Speaker Power, W | 1 | 2 |
| Integrated Speakers | ||
| Lens | ||
| Zoom Ratio | 2.1x | 1.1x |
| Lens Shift | vertical +/- 45%, horizontal +/- 30% | vertical +/- 40% |
| Focal Length, Mm | 22.5 - 47.2 | 21.86 - 24 |
| F-number | 2.0 - 3.17 | 2.41 - 2.53 |
| Dimensions | ||
| Weight, Kg/pounds | 7.30/16.1 | 2.2/5.5 |
| Size W X H X D, сm/inches | 5 x 29 x 21/1.97 x 11.42 x 8.27 | 7.6 x 27.9 x 22.8/3.8 x 11.7 x 9 |
| Resolution | ||
| Resolution Abbreviation | WXGA | HD |
| Max Resolution (resized) | 1920 x 1200 | 1920 x 1200 |
| Native Resolution | 1280 x 800 | 1280 x 800 |
| User Manual | ||
| Manual | powerlite-1781w.pdf | w331.pdf |
