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F
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DLP
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Projectors
9 / 2 0
PT-
DW830K
/
DW830W
/
DW830LK
/
DW830LW
As of May 2013
SFD13M005
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
•
Distances calculated with the above equations will include a slight error.
minimum
L (m) = (diagonal screen size in inches) × 0.0183 - 0.0471
maximum
L (m) = (diagonal screen size in inches) × 0.0227 - 0.0442
minimum
L (m) = (diagonal screen size in inches) × 0.0300 - 0.0540
maximum
L (m) = (diagonal screen size in inches) × 0.0433 - 0.0498
minimum
L (m) = (diagonal screen size in inches) × 0.0398 - 0.0746
maximum
L (m) = (diagonal screen size in inches) × 0.0555 - 0.0725
minimum
L (m) = (diagonal screen size in inches) × 0.0524 - 0.0800
maximum
L (m) = (diagonal screen size in inches) × 0.0828 - 0.0792
minimum
L (m) = (diagonal screen size in inches) × 0.0827 - 0.1351
maximum
L (m) = (diagonal screen size in inches) × 0.1249 - 0.1346
minimum
L (m) = (diagonal screen size in inches) × 0.1251 - 0.3017
maximum
L (m) = (diagonal screen size in inches) × 0.1979 - 0.2991
(fixed focus)
L (m) = (diagonal screen size in inches) × 0.0184 - 0.0476
ET-DLE085
ET-DLE150
Supplied lens
ET-DLE250
ET-DLE350
ET-DLE450
ET-DLE055
Aspect ratio 16:9
Aspect ratio 16:10
minimum
L (m) = (diagonal screen size in inches) × 0.0188 - 0.0471
maximum
L (m) = (diagonal screen size in inches) × 0.0233 - 0.0442
minimum
L (m) = (diagonal screen size in inches) × 0.0309 - 0.0540
maximum
L (m) = (diagonal screen size in inches) × 0.0445 - 0.0498
minimum
L (m) = (diagonal screen size in inches) × 0.0409 - 0.0746
maximum
L (m) = (diagonal screen size in inches) × 0.0571 - 0.0725
minimum
L (m) = (diagonal screen size in inches) × 0.0539 - 0.0800
maximum
L (m) = (diagonal screen size in inches) × 0.0851 - 0.0792
minimum
L (m) = (diagonal screen size in inches) × 0.0850 - 0.1351
maximum
L (m) = (diagonal screen size in inches) × 0.1284 - 0.1346
minimum
L (m) = (diagonal screen size in inches) × 0.1286 - 0.3017
maximum L
(m)
=
(diagonal
screen
size
in
inches)
×
0.2034
-
0.2991
(fixed focus)
L (m) = (diagonal screen size in inches) × 0.0189 - 0.0476
ET-DLE085
ET-DLE150
Supplied lens
ET-DLE250
ET-DLE350
ET-DLE450
ET-DLE055