
S P E C F I L E
PT-DW17K
3-Chip DLP
™
Projector
As of September 2012
SFD12M007-1
8 / 1 6
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio 16:9
minimum L (m) = (diagonal screen size in inches) × 0.0231 – 0.0566
maximum L (m) = (diagonal screen size in inches) × 0.0277 – 0.0736
minimum L (m) = (diagonal screen size in inches) × 0.0324 – 0.0857
maximum L (m) = (diagonal screen size in inches) × 0.0419 – 0.1085
minimum L (m) = (diagonal screen size in inches) × 0.0415 – 0.0832
maximum L (m) = (diagonal screen size in inches) × 0.0602 – 0.1162
minimum L (m) = (diagonal screen size in inches) × 0.0598 – 0.1131
maximum L (m) = (diagonal screen size in inches) × 0.1160 – 0.1765
minimum L (m) = (diagonal screen size in inches) × 0.1145 – 0.1577
maximum L (m) = (diagonal screen size in inches) × 0.1826 – 0.1615
minimum L (m) = (diagonal screen size in inches) × 0.1831 – 0.3862
maximum L (m) = (diagonal screen size in inches) × 0.3430 – 0.3598
L (m) = (diagonal screen size in inches) × 0.0176 – 0.0713
Zoom lenses
ET-D75LE6
ET-D75LE10
ET-D75LE20
ET-D75LE30
ET-D75LE40
ET-D75LE8
Fixed-focus lens
ET-D75LE50
• Distances calculated with the above equations will include slight deviations.
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