http://www.presentationtek.com Presentation Technology Reviews Tue, 10 Jan 2012 08:43:14 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 http://www.presentationtek.com/2009/03/24/viewsonic-pj551d-and-pj557d-2300-lumen-dlp-xga-projectors-review/ http://www.presentationtek.com/2009/03/24/viewsonic-pj551d-and-pj557d-2300-lumen-dlp-xga-projectors-review/#comments Tue, 24 Mar 2009 03:27:52 +0000 jeffvdw http://www.presentationtek.com/?p=423 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 [...]]]> http://www.presentationtek.com/2009/03/24/viewsonic-pj551d-and-pj557d-2300-lumen-dlp-xga-projectors-review/feed/ 0 http://www.presentationtek.com/2008/04/30/viewsonic-pj503d-and-pj513db-dlp-projectors-review/ http://www.presentationtek.com/2008/04/30/viewsonic-pj503d-and-pj513db-dlp-projectors-review/#comments Tue, 29 Apr 2008 20:10:33 +0000 jeffvdw http://www.presentationtek.com/?p=318 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. [...]]]> http://www.presentationtek.com/2008/04/30/viewsonic-pj503d-and-pj513db-dlp-projectors-review/feed/ 0 http://www.presentationtek.com/2007/10/30/viewsonic-announces-five-new-dlp-projectors-pj557d-pj559d-pj560d-pj551d-and-pj260d/ http://www.presentationtek.com/2007/10/30/viewsonic-announces-five-new-dlp-projectors-pj557d-pj559d-pj560d-pj551d-and-pj260d/#comments Tue, 30 Oct 2007 06:46:39 +0000 jeffvdw http://www.presentationtek.com/2007/10/30/viewsonic-announces-five-new-dlp-projectors-pj557d-pj559d-pj560d-pj551d-and-pj260d/ Something that is striking with Viewsonic’s new DLP projectors specifications is the longer than usual three year warranty and the exceptionally long one year lamp warranty (four times the standard 90 days). Given that Viewsonic also advertises a long 4,000 hour lamp life, it offers a potential purchaser cost over life reductions and peace of [...]]]> http://www.presentationtek.com/2007/10/30/viewsonic-announces-five-new-dlp-projectors-pj557d-pj559d-pj560d-pj551d-and-pj260d/feed/ 0