12-ENGLISH
Projection relationships
The dimensional relationship between the screen and the projector is shown below.
■
Dimensional relationship diagram
Screen
D L
L1
θ
Lens optical axis
Note
z
The indications of this illustration are premised on aligning the projected image size and position to the full
screen.
z
This illustration is not drawn to scale.
θ Projected angle L Projection distance (lens front end to screen)
L1 Projector to lens front end D Exit pupil position
Model L1 dimension (m)
PT-RQ32K / PT-RZ31K / PT-RS30K 0.355
PT-RZ21K / PT-RS20K / PT-RQ13K / PT-RZ12K /
PT-RS11K / PT-DZ21K2 / PT-DS20K2 /
PT-DW17K2 / PT-DZ16K2 / PT-DZ13K / PT-DS12K /
PT-DW11K / PT-DZ10K
0.385
Supported projection distance (L) range (m) 2 to ∞
Projected angle (θ) (degrees) Exit pupil position (D) (m)*
10 0.0232
20 0.0229
30 0.0224
40 0.0216
50 0.0206
60 0.0191
70 0.0173
80 0.0150
91.6 (maximum) 0.0116
* There may be slight discrepancies in the exit pupil positions.
Exit pupil position (D) formula D=-10
-8
× θ
3
- 3 × 10
-7
× θ
2
- 1.73 × 10
-5
× θ + 0.02342
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