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Setting up
ENGLISH -
31
Getting Started
For the screen aspect ratio of 4:3 (Unit: m)
z
Lens type
The standard
zoom lens
The lens of optional accessories
Height
position (H)
*
2
Fixed-focus
Lens
Short Zoom
Lens
Long Zoom
Lens
Ultra Long Zoom
Lens
Model number of projection
lens
- - - ET-ELW21 ET-ELW20 ET-ELT20 ET-ELT21
Throw ratio
*
1
1.6 ~ 2.8:1 0.8:1 1.2 ~ 1.7:1 2.8~ 4.6:1 4.5 ~ 7.3:1
Screen dimensions Projection distance (L)
Screen
size
Height
(SH)
Width
(SW)
Min.
(LW)
Max.
(LT)
Fixed
Min.
(LW)
Max.
(LT)
Min.
(LW)
Max.
(LT)
Min.
(LW)
Max.
(LT)
40 0.610 0.813 1.31 2.27 0.60 0.98 1.35 2.20 3.67 3.57 5.80 0.00~0.61
50 0.762 1.016 1.65 2.84 0.77 1.23 1.70 2.78 4.61 4.52 7.31 0.00~0.76
60 0.914 1.219 1.99 3.42 0.94 1.49 2.06 3.36 5.56 5.46 8.81 0.00~0.91
70 1.067 1.422 2.33 4.00 1.10 1.75 2.41 3.94 6.50 6.41 10.31 0.00~1.07
80 1.219 1.626 2.67 4.58 1.27 2.01 2.76 4.52 7.44 7.36 11.82 0.00~1.22
90 1.372 1.829 3.01 5.16 1.43 2.27 3.11 5.10 8.39 8.30 13.32 0.00~1.37
100 1.524 2.032 3.35 5.74 1.60 2.53 3.46 5.68 9.33 9.25 14.82 0.00~1.52
120 1.829 2.438 4.03 6.89 1.93 3.04 4.16 6.83 11.22 11.14 17.83 0.00~1.83
150 2.286 3.048 5.05 8.63 2.43 3.82 5.22 8.57 14.06 13.98 22.34 0.00~2.29
200 3.048 4.064 6.75 11.52 3.26 5.11 6.98 11.46 18.78 18.71 29.86 0.00~3.05
250 3.810 5.080 8.46 14.42 4.08 6.40 8.73 14.36 23.51 23.44 37.38 0.00~3.81
300 4.572 6.096 10.16 17.31 4.91 7.69 10.49 17.25 28.23 28.17 44.90 0.00~4.57
350 5.334 7.112 11.86 20.20 5.74 8.98 12.25 20.15 32.95 32.90 52.41 0.00~5.33
400 6.096 8.128 13.56 23.09 6.57 10.27 14.01 23.04 37.68 37.64 59.93 0.00~6.10
The throw ratio is based on the value during projection onto a 80" screen size.*1 :
When the xed-focus lens (ET-ELW21) is attached, the lens shift cannot be used, so the height position (H) will be SH/2.*2 :