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Projection distance PowerLite 4650:
29 inches (0.74 m) to 626 inches (15.90 m)
PowerLite 4750W:
31 inches (0.79 m) to 663 inches (16.85 m)
PowerLite 4855WU:
53 inches (1.35 m) to 591 inches (15.01 m)
Projection methods Front, rear, ceiling-mounted
Optical aspect ratio PowerLite 4650:
(width-to-height) 4:3
PowerLite 4750W/4855WU:
16:10
Focus adjustment Manual
Zoom adjustment Manual
Zoom ratio PowerLite 4650/4750W:
(Tele-to-Wide) 1:2.0
PowerLite 4855WU:
1:1.8
Internal sound system 10 W monaural
Noise level 38 dB (Normal Power Consumption mode)
30 dB (ECO Power Consumption mode)
Keystone correction angle Vertical: ± 30º (with standard lens)
Horizontal: ± 30º (with standard lens)
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