This shows the lifespan of the light source. Beamers need to have their lamps (light source) replaced every now and then.
Vivitek Qumi Q7: 30000h
A bigger variety of brand lenses means that you have more options and can find one that suits your needs.
Sony VPL-VW60: 11
8. ANSI lumens
The light projected by the device is brighter, i.e. it has a higher ANSI lumens measurement.
Panasonic PT-DZ20K: 20000cd/m²
9. has a VGA connector
VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
84% have it
Celluon PicoPro: 12.7mm
11. maximum projection size
The maximum size of image that a device can project without compromising quality.
InFocus IN5544: 603"
12. audio output power
Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.
1 x 2W
Optoma EH501: 2 x 15W
13. audible noise
Audible noise is the noise that a device produces while in operation. Reduced audible noise improves quality.
Dream Vision Yunzi 1: 19dB
14. contrast ratio
Contrast ratio is the visual distance between the lightest and the darkest colors that may be reproduced on the display. A high contrast ratio is desired, resulting in richer dark colors and more distinctive color gradation.