Panasonic PT-F300EA In addition to being bright and easy to use the PT-F300 Series LCD projectors give you enhanced performance with minimal maintenance over time. Highly reliable optical block and a long operating life are ensured by the use of inorganic materials for the LCD panels and polarisers. The new Auto Cleaning Filter (ACF) extends the filter replacement cycle to over 10000 hours* 1 and together with the dust-resistant design boost reliability. Features Brightness (Normal) 4000 ANSI Lumens Native resolution XGA Aspect Ratio 4:3 Weight 6.2 Kg Dimensions W x D x H 432 x 323 x 128.5 mm Technology LCD Contrast Ratio 600:1