Epson EpiqVision Ultra LS800 4000-Lumen Pixel-Shift 4K UHD Ultra-Short Throw Laser 3LCD Smart Home Theater Projector (Black) - Manual (Page 129)

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Brightness White light output 4000 lumens (Dynamic color mode)
Color light output 4000 lumens (Dynamic color mode, Scene
Adaptive Gamma: 0)
Normal power consumption mode:
4000 lumens (Dynamic color mode, Dynamic contrast off)
Medium power consumption mode:
3000 lumens (Dynamic color mode, Dynamic contrast off)
ECO power consumption mode:
2000 lumens (Dynamic color mode, Auto iris off)
Note: Color brightness (color light output) and white brightness
(white light output) will vary depending on usage conditions. Color
light output measured in accordance with IDMS 15.4; white light
output measured in accordance with ISO 21118.
Contrast ratio Over 2,500,000 with Dynamic Color Mode and Normal light source
mode
Image size
(in native aspect ratio)
80 inches (2.03 m) to 150 inches (3.81 m)
Projection distance
(in native aspect ratio)
10.9 inches (0.28 m) to 21.3 inches (0.54 m)
Projection methods Front, rear, front upside down, rear upside down
Optical aspect ratio
(width-to-height)
16:9
Focus adjustment Manual
Zoom adjustment Digital
Zoom ratio
(Tele-to-Wide)
1-2.5
Internal sound system 2.1 channel (20 W total): 5 W x 2 (satellite), 10 W x 1 (woofer)