Epson eb w29 projector brightness 3000 ansi lumens projection technology 3lcd projector native resolution wxga 1366x800 service life of lamp 5000h bulb power 273w service life of lamp economic mode 10000h focus manual focal length range f f 16 9 20 28 mm aperture range f f 1 58 1 72 video processing 10 bit usb connector type usb a usb b