Epson 8300NL User Manual - Page 114

Middle Throw Zoom Lens (V12H004M01) Image size: 60 to 600 inches (1.52 to 15.24 m) Projection distance (focal range): 114 to 1791 in. (2.90 to 45.49 m) ■ To find the image size when you know the projection distance: Maximum diagonal size = (0.5055 × projection distance) + 2.7 Minimum diagonal size = (0.3340 × projection distance) + 1.8 ■ To find the projection distance when you know the image size: Maximum projection distance = (2.9941 × diagonal size) - 5.3 Minimum projection distance = (1.9782 × diagonal size) - 5.3 Middle Throw Zoom Lens (V12H004M02) Image size: 60 to 600 inches (1.52 to 15.24 m) Projection distance (focal range): 170 to 2640 in. (4.32 to 67.06 m) ■ To find the image size when you know the projection distance: Maximum diagonal size = (0.3428 × projection distance) + 2.0 Minimum diagonal size = (0.2267 × projection distance) + 1.3 ■ To find the projection distance when you know the image size: Maximum projection distance = (4.4107 × diagonal size) - 5.8 Minimum projection distance = (2.9169 × diagonal size) - 5.7 Long Throw Zoom Lens (V12H004L04) Image size: 60 to 600 inches (1.52 to 15.24 m) Projection distance (focal range): 258 to 3408 in. (6.55 to 86.56 m) ■ To find the image size when you know the projection distance: Maximum diagonal size = (0.2380 × projection distance) - 1.3 Minimum diagonal size = (0.1763 × projection distance) - 0.9 ■ To find the projection distance when you know the image size: Maximum projection distance = (5.6720 × diagonal size) + 5.3 Minimum projection distance = (4.2009 × diagonal size) + 5.6 114 Appendix A: Projector Installation