Specification | Optoma HD27 | Epson PowerLite 1751 |
---|---|---|
Connectivity | ||
Audio Output (3.5mm) | 1 | |
Audio Input (3.5mm) | ||
Usb (service) | 1 | |
Audio Input (rca) | 1 | 1 |
Usb | 1 | 1 |
Composite Video Input (rca) | 1 | 1 |
12v Trigger | 1 | |
Vga Input | 1 | 1 |
Rs232 (db-9pin) | ||
Mhl | ||
Ethernet (rj45) | ||
Spdif (optical) | ||
Audio | ||
Integrated Speakers | ||
Sound Type | mono | mono |
Speaker Power, W | 10 | 1 |
Lens | ||
Lens Shift | vertical +/- 45%, horizontal +/- 30% | |
Focal Length, Mm | 21.88 - 24 | 13.52 - 16.22 |
F-number | 2.5 - 2.67 | 1.58 - 1.7 |
Zoom Ratio | 1.1x | 1.2x |
Properties | ||
Projection Screen Size, Inch | 30 - 300 | 30 - 300 |
Projection System | DLP | 3LCD |
Pixel Number | 1024000 | 1024000 |
Color Reproduction | 1073.4 million | 16.77 billion |
Throw Ratio Range | 1.48 - 1.6 | 1.19:1 - 1.43:1 |
Contrast Ratio | 25000:1 | 2000:1 |
Brightness, Lumens | 3200 | 2600 |
Power Consumption, W | 260 | 322 |
Aspect Ratio | 16:9 | 4:3 |
Input Lag, Ms | 16 | |
Projection Distance, M/ft | 0.9 - 9.8/1.8 - 29.5 | 1.2 - 4.4/3.2 - 13.1 |
Noise Level, Dba | 26 | 40 |
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 | 2.49/5.5 | 1.3/3.7 |
Size W X H X D, сm/inches | 22.86 x 29.72 x 9.40/9 x 11.7 x 3.7 | 5 x 27.9 x 20.3/2.1 x 11.5 x 8.3 |
Resolution | ||
Resolution Abbreviation | Full HD | XGA |
Max Resolution (resized) | 1920 x 1200 | 1280 x 800 |
Native Resolution | 1920 x 1080 | 1024 x 768 |
Video Compatibility | ||
Secam | ||
Pal | ||
Ntsc | ||
Operating Temperature | ||
Max, C/f | 40/104 | 35/95 |
Min, C/f | 5/41 | 5/41 |
Settings | ||
Keystone Adjustment Horizontal, +- Degrees | 30 | |
Keystone Adjustment Vertical, +- Degrees | 40 | 45 |
Lamp | ||
Lamp Life (eco Mode), Hours | 6000 | 4000 |
Lamp Life (normal Mode), Hours | 5000 | 4000 |
Lamp Type, W | 195 | 230 |