Epson 7700p User Manual - Page 110
Image Size and Projection Distance, Standard Lens, Long Throw Zoom Lens ELPAL01
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Image Size and Projection Distance Use the tables below to estimate how far to place the projector from the screen. Since the size of the image can be changed by rotating the zoom ring, a range of distance is given for each screen size. Note that if you tilt the projector upward by extending the feet or use electronic keystone correction, your image size may vary. Standard Lens Diagonal screen size Distance 30 inches 3.6 - 4.3 feet (1.1 - 1.3 meters) 60 inches 7.2 - 9.2 feet (2.2 - 2.8 meters) 100 inches 12.1 - 15.7 feet (3.7 - 4.8 meters) 200 inches 24.3 - 31.8 feet (7.4 - 9.7 meters) 300 inches 36.7 - 47.6 feet (11.2 - 14.5 meters) Long Throw Zoom Lens (ELPAL01) Diagonal screen size Distance 30 inches 4.46 - 5.87 feet (1.36 - 1.79 meters) 60 inches 9.35 - 12.2 feet (2.85 - 3.71 meters) 100 inches 15.8 - 20.5 feet(4.82 - 6.25 meters) 200 inches 32.1 - 41.5 feet (9.77 - 12.64 meters) 300 inches 48.3 - 62.4 feet (14.72 - 19.02 meters) 104 Appendix C: Technical Specifications