High brightness low tco and flexible installation for versatile use 7000 lm of brightness in a compact body wxga 1280 x 800 high contrast ratio of 50001 high brightness and superb image quality 1 high brightness and excellent contrast despite its sleek and compact dimensions the pt ez770 series produces a class leading 6 500 lm to 7 500 lm of brightness with a contrast ratio of 5 0001 the iris automatically adjusts to suit ambient lighting conditions the pt ex800zex800zl has 7