Epson ELPDC21, 25,4 / 2,7 mm (1 / 2.7"), CMOS, 1024 x 768 (XGA),1280 x 1024 (SXGA),1280 x 768 (WXGA)

A4, 1/3.2” CMOS, 1280 x 720, LED, 5MP, 5x Optical Zoom, 8x Digital Zoom, 30fps, SDHC (32GB Max), Mic

A3, 1/3.2” CMOS, LED, 8MP, 10x Optical Zoom, 8x Digital Zoom, 30fps, 2 x HDMI In/Out, 2 x VGA In/Out

Optoma DC550, 25,4 / 3,2 mm (1 / 3.2"), CMOS, 8 MP, 30 ips, LED, 8x