The ViewSonic PJ551D and PJ557D very bright DLP projectors which are light enough at 6lb (2.7 kg) to be considered portable. Their brightness at 2300 ANSI lumens, no doubt contributed to by Texas Instruments Brilliant Color technology, is suitable for business and classroom applications and will cope with a lot of ambient light eg. open [...]
Viewsonic’s PJ503D and PJ513DB according to user forums are considered as performance value projectors for a budget price. They are versatile projectors suitable for small offices, classrooms and home theater use. Both DLP projectors have a native SVGA (800 x 600 pixels) resolution but will support 480i, 480p, 576i, 576p, 720p and 1080i video sources. [...]
