Canon: LV-X4.www.usa.canon.com, Hardware, $1,999 This micro-portable projector weighs 6.4 pounds and comes equipped with a high-precision ultra wide-angle lens, 1.6x optical zoom Changing the focal length of a camera by adjusting the physical zoom lens. All zoom lenses in film cameras and digital single lens reflex (DSLR) cameras are optical zoom. Digital point-and-shoot cameras as well as consumer and prosumer video camcorders have optical zoom, but they also and short throw distance, with the ability to display an 100-inch diagonal image from 8.2 feet. Other features include an XGA (EXtended Graphics Array) A screen resolution of 1,024x768 pixels. The term stems from IBM's XGA display standard introduced in 1990, which extended VGA to 132-column text and interlaced 1,024x768x256 resolution. XGA-2 later added non-interlaced 1,024x768x64K. resolution of 1024 x 768, 1500 ANSI lumens A measurement of light that has been standardized by ANSI. It is commonly used to rate the brightness of a data projector. An ANSI lumen rating uses an average of several measurements taken across the face of the light source. and 400:1 contrast ratio. It supports an SXGA (Super XGA) A screen resolution of 1280x1024 pixels. SXGA is commonly used on standard monitors, but provides a 1.25:1 aspect ratio, compared to the more common 1.33:1 (4:3) ratio. SXGA+ has a 1400x1050 resolution, which is an exact 1.33:1 ratio. See PC display modes. resolution through high-quality compression and operates at 36 dB in silent mode. The projector also allows teachers who don't have access to a screen to project directly onto a blackboard. CIRCLE #520 FOR INFORMATION [ILLUSTRATION OMITTED] |
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