S P E C F I L E
PT-DS8500U
3-Chip DLP
™
Projector
As of May 2011
SFD10M002-2
9 / 1 7
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio 4:3
minimum L (m) = (diagonal screen size in inches) × 0.0207 – 0.0566
maximum L (m) = (diagonal screen size in inches) × 0.0248 – 0.0736
minimum L (m) = (diagonal screen size in inches) × 0.0290 – 0.0857
maximum L (m) = (diagonal screen size in inches) × 0.0375 – 0.1085
minimum L (m) = (diagonal screen size in inches) × 0.0307 – 0.0760
maximum L (m) = (diagonal screen size in inches) × 0.0410 – 0.1004
minimum L (m) = (diagonal screen size in inches) × 0.0371 – 0.0832
maximum L (m) = (diagonal screen size in inches) × 0.0540 – 0.1162
minimum L (m) = (diagonal screen size in inches) × 0.0412 – 0.0795
maximum L (m) = (diagonal screen size in inches) × 0.0617 – 0.1064
minimum L (m) = (diagonal screen size in inches) × 0.0536 – 0.1131
maximum L (m) = (diagonal screen size in inches) × 0.1039 – 0.1765
minimum L (m) = (diagonal screen size in inches) × 0.0617 – 0.0958
maximum L (m) = (diagonal screen size in inches) × 0.1031 – 0.1216
minimum L (m) = (diagonal screen size in inches) × 0.1031 – 0.1158
maximum L (m) = (diagonal screen size in inches) × 0.1639 – 0.1013
minimum L (m) = (diagonal screen size in inches) × 0.1640 – 0.3862
maximum L (m) = (diagonal screen size in inches) × 0.3072 – 0.3598
L (m) = (diagonal screen size in inches) × 0.0158 – 0.0835
Zoom lenses
ET-D75LE6
ET-D75LE10
ET-D75LE1
ET-D75LE20
ET-D75LE2
ET-D75LE30
ET-D75LE3
ET-D75LE4
ET-D75LE8
Fixed-focus lens
ET-D75LE5
• Distances calculated with the above equations will include slight deviations.
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