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Installation
Calculation formulas for projection distance by lens types
Lens type
Standard
zoom lens
Wide-angle fixed-
focus lens
Wide-angle
zoom lens
Intermediate-focus
zoom lens
Long-focus
zoom lens
Ultra-long-focus
zoom lens
• The dimensions in the table in page 17 and the values obtained from the above formulas may
Note
contain slight errors.
• When an SXGA signal is input and projected, the right and left ends of the picture will be blanked
and the aspect ratio will be 5:4.
• The brightness is different between the wide lens position settings and telephoto lens position
settings.
18
Aspect ratio
4:3
16:9
Model No. :
4:3
ET-DLE050
16:9
4:3
Model No. :
ET-DLE100
16:9
4:3
Model No. :
ET-DLE200
16:9
4:3
Model No. :
ET-DLE300
16:9
4:3
Model No. :
ET-DLE400
16:9
(L, LW, LT : m
Projection distance (L) formula
Minimum (LW)
L=0.0371 x SD-0.0507
Maximum (LT)
L=0.0490 x SD-0.0500
Minimum (LW)
L=0.0404 x SD-0.0507
Maximum (LT)
L=0.0534 x SD-0.0500
L=0.0166 x SD-0.0361
L=0.0181 x SD-0.0361
Minimum (LW)
L=0.0276 x SD-0.0452
Maximum (LT)
L=0.0372 x SD-0.0478
Minimum (LW)
L=0.0301 x SD-0.0452
Maximum (LT)
L=0.0405 x SD-0.0478
Minimum (LW)
L=0.0504 x SD-0.0657
Maximum (LT)
L=0.0824 x SD-0.0758
Minimum (LW)
L=0.0549 x SD-0.0657
Maximum (LT)
L=0.0898 x SD-0.0758
Minimum (LW)
L=0.0795 x SD-0.1380
Maximum (LT)
L=0.1232 x SD-0.1310
Minimum (LW)
L=0.0866 x SD-0.1380
Maximum (LT)
L=0.1342 x SD-0.1310
Minimum (LW)
L=0.1176 x SD+0.0244
Maximum (LT)
L=0.1646 x SD+0.0651
Minimum (LW)
L=0.1281 x SD+0.0244
Maximum (LT)
L=0.1793 x SD+0.0651
SD : inch)
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