Sony Projector LCD Ew575 Display System Display System3 LCD system Display device Size of effective display area0.75”(19mm) x 3 BrightEra LCD Panel Aspect ratio 16:10 Number of pixels3, 072, 000 (1280x800 x 3) pixels Projection lens FocusManual Zoom Powered/ManualManual Zoom - RatioApprox. x 1.6 Throw Ratio1.10:1 to 1.79:1 Light source TypeUltra high pressure mercury lamp Wattage225 W type Recommended lamp replacement time *3 Lamp mode: High4000 H Lamp mode: Standard6000 H Lamp mode: Low10000 H Filter cleaning / replacement cycle (Max.) Filter cleaning / replacement cycle (Max.)10, 000H Screen size Screen size30" to 300" (0.76 m to 7.62 m) (measured diagonally) Light output *1 Lamp mode: High4300 lm Lamp mode: Standard3200 lm Lamp mode: Low2400 lm Color light output *1 Lamp mode: High4300 lm Lamp mode: Standard3200 lm Lamp mode: Low2400 lm Contrast ratio (full white / full black) *2 Contrast ratio (full white / full black) *220000:1 Speaker SpeakerSpeaker 16 W (monaural) Displayable scanning frequency Horizontal15 kHz to 92 kHz Vertical48 Hz to 92 Hz