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Brightness PowerLite 1850W:
Normal Power Consumption mode:
White light output 3700 lumens (ISO 21118 standard)
Color light output 3700 lumens
ECO Power Consumption mode:
White light output 2960 lumens (ISO 21118 standard)
PowerLite 1870/1880:
Normal Power Consumption mode:
White light output 4000 lumens (ISO 21118 standard)
Color light output 4000 lumens
ECO Power Consumption mode:
White light output 3200 lumens (ISO 21118 standard)
Contrast ratio 2500:1 with Auto Iris on and Normal Power Consumption mode
Image size PowerLite 1850W:
25 to 280 inches (0.64 to 7.11 m)
PowerLite 1870/1880:
28 to 300 inches (0.71 to 7.62 m)
Projection distance
33 to 336 inches (0.83 to 8.54 m)
Projection methods Front, rear, ceiling-mounted
Optical aspect ratio PowerLite 1850W:
(width-to-height) 16:10
PowerLite 1870/1880:
4:3
Focus adjustment Manual
Zoom adjustment Manual
Zoom ratio 1:1.6
(Tele-to-Wide)
133