Dell 1200MP Owner's Manual - Page 60
Zoom Lens, Zoom Lens Ratio, Extra Video Graphics Array
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www.dell.com | support.dell.com VGA-Video Graphics Array - 640 x 480 pixels count. XGA-Extra Video Graphics Array - 1024 x 768 pixels count. Zoom Lens-Lens with a variable focal length that allows operator to move the view in or out making the image smaller or larger. Zoom Lens Ratio-Is the ratio between the smallest and largest image a lens can projector from a fixed distance. For example, a 1.4:1 zoom lens ratio means that a 10-foot image without zoom would be a 14-foot image with full zoom. 60 Glossary
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www.dell.com | support.dell.com
60
Glossary
VGA—
Video Graphics Array
—
640 x 480 pixels count.
XGA—
Extra Video Graphics Array
—
1024 x 768 pixels count.
Zoom Lens—
Lens with a variable focal length that allows operator to move the
view in or out making the image smaller or larger.
Zoom Lens Ratio—
Is the ratio between the smallest and largest image a lens can
projector from a fixed distance. For example, a 1.4:1 zoom lens ratio means that a
10-foot image without zoom would be a 14-foot image with full zoom.