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Monitors |
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ACER LCD - eMachine 18.5" H LCD Wide Size/Type: 18.5" TFT LCD 16:9 HD, 409.8x230 mm |
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Pview LCD - A1981W 19" LCD Wide TopView 19'' A1981W Wide LCD 5ms R1 299 |
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ACER LCD - P223WQB 21.6" LCD Wide Display Type: LCD R2 499 |
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SAMSUNG 19" WIDE TFT LCD R1 550 |
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AL1916Ws ACER 19" Wide LCD, Value Line without Speakers, 5ms response time, VGA -Sub, 1440x900 - 3year Warranty (Fetch,Return and Repair) R1 999 |
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MON19LW Proline 19" LCD, WSXGA, 1440x900@75Hz, 16:10, 5ms - Wide R1 999 |
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Mecer 32 inch LCD TV R6,500 |
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17-inch CRT black monitor R899 |
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Ins and outs of monitors Monitor screen size is measured diagonally across the screen, in inches. Not all of the screen area may be usable for image display, so the viewable area is also specified. The resolution of the monitor is the maximum number of pixels it can display horizontally and vertically (ie. 800 x 600, or 1024 x 768, or 1600 x 1200). Pixels (picture elements) are the small dots that make of the image on the screen. The spacing of the screens tiny phosphor dots is called the dot pitch (dp), typically .28 or .26 (measured in millimeters). A screen with a smaller dot pitch produces sharper images. Which is best: plasma vs LCD Difference between LCD, DLP, LCoS and CRT Projector lumens explained Brightness is measured in ANSI lumens. For home theater projectors, brightness typically ranges from 700 - 2000 lumens or more. Your viewing environment will be a big part of determining how bright your projector needs to be: - home theaters need 1000 lumens or better. LCD and DLP projectors typically have a lamp life between 2000-4000 hours. This specification is actually referring to the 'half-life' of the lamp. The half-life is the point where the lamp is half as bright as it was new. The lamp will still work at its half-life, but it will continue to gradually lose brightness. Longer lamp life means less expense in maintaining your projector. Run your projector for two weeks and/or 20 hours shortly after your purchase. If the lamp is going to fail, it will usually occur within the first ten hours of operation. |
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