Epson PowerLite Home Cinema 640 User Manual page 173

Lens
Color reproduction
Brightness
PowerLite Home Cinema 740HD:
F=1.58 to 1.72
Focal length: 16.9 to 20.28 mm
PowerLite Home Cinema 640:
F=1.44
Focal length: 16.7 mm
PowerLite Home Cinema 1040:
F=1.50 to 1.71
Focal length: 20.42 to 20.5 mm
Up to 1 billion colors
PowerLite Home Cinema 740HD/1040:
Normal Power Consumption mode:
White light output 3000 lumens (ISO 21118 standard)
Color light output 3000 lumens
ECO Power Consumption mode:
White light output 2100 lumens (ISO 21118 standard)
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.
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