10-ENGLISH
Projection relationships
The dimensional relationship between the screen and the projector is shown below.
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Dimensional relationship diagram
SD
SH
SW
L (LW/LT)
SH
L1
L3
L2
L (LW/LT)
SW
Projected image
Screen
Screen
Note
z
This diagram assumes that the size and position of the projected image will be adjusted so
that the image fills the entire screen.
z
This illustration is not drawn to scale.
L
Projection distance
LW
Minimum distance
LT
Maximum distance
L1
Distance from front of projector to edge of lens
L2
Distance from front of projector to center of lens
L3
Distance from side of projector to center of lens
SH
Projected image height
SW
Projected image width
SD
Projected image size
z
Dimension for L1 (approximate values)
(Unit: m)
Projector model
Dimension for L1
(approximate value)
ET-D3LEU100C ET-D3LEW200C
PT-SRQ32KC / PT-SRZ31KC / PT-SRS30KC
0.26
0.32
PT-SRQ22KC / PT-SRZ21KC / PT-SRS20KC
0.29
0.35
PT-SRQ13KC / PT-SRZ12KC / PT-SRS11KC
-
PT-SDZ21K2C / PT-SDS20K2C / PT-SDW17K2C / PT-SDZ18K2C
-
PT-SDZ985C / PT-SDS955C / PT-SDW935C / PT-SDZ981C
-
