Optoma EH415 User Manual - Page 17
Adjusting Projection Image Size (1080p
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Image Height English Installation Adjusting Projection Image Size (1080p) Keystone Correction Angle Projection Distance Diagonal length (inch) size of 16:9 Screen 30 Screen Size W X H (16:9) (m) (feet) Width Height Width Height 0.65 0.40 2.12 1.32 Projection distance (D) (m) (feet) wide tele wide tele 0.94 0.59 3.10 1.93 40 0.86 0.54 2.83 1.77 1.26 0.79 4.13 2.58 60 1.29 0.81 4.24 2.65 1.89 1.18 6.19 3.87 80 1.72 1.08 5.65 3.53 2.52 1.57 8.25 5.16 100 2.15 1.35 7.07 4.42 3.14 1.97 10.32 6.45 120 2.58 1.62 8.48 5.30 3.77 2.36 12.38 7.74 140 3.02 1.88 9.89 6.18 4.40 2.75 14.44 9.03 160 3.45 2.15 11.31 7.07 5.03 3.14 16.51 10.32 190 4.09 2.56 13.43 8.39 5.97 3.73 19.60 12.25 230 4.95 3.10 16.25 10.16 7.23 4.52 23.73 14.83 280 6.03 3.77 19.79 12.37 8.81 5.50 28.89 18.06 300 6.46 4.04 21.20 13.25 9.43 5.90 30.95 19.34 Offset (A) (m) (feet) 0.05 0.15 0.06 0.20 0.09 0.30 0.12 0.41 0.15 0.51 0.19 0.61 0.22 0.71 0.25 0.81 0.29 0.97 0.36 1.17 0.43 1.42 0.46 1.52 17