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Optical aspect ratio PowerLite Home Cinema 640:
(width-to-height) 4:3
PowerLite Home Cinema 740HD/1040:
16:10
Focus adjustment Manual
Zoom adjustment PowerLite Home Cinema 640:
No optical zoom
PowerLite Home Cinema 740HD/1040:
Manual optical zoom
Zoom ratio PowerLite Home Cinema 640:
(Tele-to-Wide) 1.0 to 1.35 (digital)
PowerLite Home Cinema 740HD/1040:
1.0 to 1.2
Internal sound system 1 W monaural
Noise level 37 dB (Normal Power Consumption mode)
29 dB (ECO Power Consumption mode)
Keystone correction angle 12º (Auto Keystone)
USB Type B port compatibility
USB 1.1 and 2.0 compliant for USB display, external mouse or
keyboard control, or firmware update
USB Type A port compatibility One USB 1.1 and 2.0 compliant port for USB device or Epson
document camera input, wireless LAN, or firmware update
Parent topic: Technical Specifications
Projector Lamp Specifications
Type UHE (Ultra High Efficiency)
Power consumption 200 W
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