Epson EX7240 Pro Portable Projector Review - Performance

December 7, 2015 / By Art Feierman
Epson EX7240 Pro Projector - Performance:  Brightness, Noise, Audio Performance The Epson EX7240 has a zoom lens with a 1.2:1 zoom ratio and with a specified throw ratio range of 1.30 to 1.56.   For the following measurements and evaluations, I positioned the projector at 88 inches from the screen and set the projector’s zoom lens to its mid position.   This produced an image 62 inches wide.  
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