Home Theater Projectors Multimedia Projectors LED Projectors Discontinued Projectors Screens Accessories       HD87 Resolution/ 1920x1080(Native support 1080i/p) Brightness (typical)/ 1,700 ANSI Lumens Contrast Ratio/ 80,000:1(Max) (ANSI Contrast 800:1)     HD83 Resolution/ 1920x1080 (Native support 1080i/p, and 1080p24) Brightness (typical)/ 1,600 ANSI Lumens Contrast Ratio/ 50,000:1(Max) (ANSI Contrast 680:1)     HD82 Resolution/ 1920x1080 (Native support 1080i/p, and 1080p24) Brightness (typical)/ 1,300 ANSI Lumens Contrast Ratio/ 20,000 :1 (Max) (ANSI Contrast 680:1)     HD67 Resolution/ Native: 1280 x 720 (720P) Support signal up to 1080P(1920 x 1080) 60Hz Brightness (typical)/ 1800 ANSI Lumens Contrast Ratio/ 4000:1      HD66 Resolution/ HD (1280x720), Support signal up to 1080P(1920 x 1080) 60Hz Brightness (typical)/ 2500 ANSI Lumens Contrast Ratio/ 4000:1      HD33 Resolution/ 1920x1080 (Native support 1080i/p, and 1080p24) Brightness (typical)/ 1,800 ANSI Lumens Contrast Ratio/ 10,000:1(Max) (ANSI Contrast 500:1)     HD23 Resolution/ 1080p (1920x1080) Brightness (typical)/ 2500 ANSI Lumens Contrast Ratio/  5000:1     HD21 Resolution/ 1080p (1920x1080) Brightness (typical)/ 1900 ANSI Lumens Contrast Ratio/  5000:1     HD20LV Resolution/ 1080p (1920x1080) Brightness (typical)/ 2200 ANSI Lumens Contrast Ratio/ 4,000 :1 (Max)     HD20 Resolution/ 1080p (1920x1080) Brightness (typical)/ 1,700 ANSI Lumens Contrast Ratio/ 4,000 :1 (Max) ; 500:1 (ANSI Contrast)