Digital Projection LIGHTNING 10sx, User Manual

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Nominal Actual Lens Throw Ratio on a
LIGHTNING sx
Lens
LIGHTNING sx projector for Aspect Ratios:- Extension
Lens Throw Ratio Minimum Maximum (mm)
1.2:1 Fixed 1.22 1.22 267
2.5 - 4.0:1 @ 2.5:1 1.50 1.99 152
2.5 - 4.0:1 @ 4.0:1 2.02 2.47 159
4.0 - 7.0:1 @ 4.0:1 2.47 3.91 108
4.0 - 7.0:1 @ 4.0:1 3.96 6.89 206
The lenses developed for the
POWER gv
series may be used with a
LIGHTNING sx
projector, albeit with limited lens shift capabilities and the use of an adapter. It
should be noted that the throw ratios of the POWER gv lenses, when used on a
LIGHTNING sx
projector are modified and the following table should be used to cal-
culate the screen distances required.
Nominal Lens Actual Throw Ratio on a LIGHTNING sx Lens Rising
POWER gv
Lens projector for all Aspect Ratios Extension Front
Throw Ratio Minimum Maximum ± pixels
Ultra Wide Angle N/A N/A N/A N/A
1.5 - 2.5:1 1.20 2.00 85 125
2.5 - 4.0:1 2.00 3.20 55 125
4.0 - 7.0:1 N/A N/A N/A N/A
The
gv
lenses marked N/A are not recommended for use on the
LIGHTNING sx
projector due to the serious vignetting of the image. It should be noted that under
certain circumstances the specified luminance, uniformity and resolution may not
be maintained.
BÑ6
System Installation
INSTALLATION
LBV00056; Revision A - 23/08/99
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