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Are you searching for projector screens but aren’t sure where to look? Click on over to our site for a full selection of projectors and screens. We have all the products and supplies you need for your school or office. Check hereBrightness is measured in lumens. The lumens can range anywhere from 300 lumens to 3300 lumens, with 3300 being the brightest. Lumen Range Comments 300 - 500 lumens These will usually be the least expensive projectors. Also, the low light output may require your presentations to be made in a dark or dimly lit room. 500 - 1000 lumens Projectors in this range are geared toward normal business conference room and classroom use. You may have to reduce lighting a little, but a totally dark or dimly lit room is not necessary. 1000 - 1500 lumens Aimed at large conference rooms and classrooms, these machines project a bright image even with lights on. 1500 - lumens and up These projectors are used for nightclubs, concert halls, auditoriums, churches and other large venues. With this information in mind, there are some things to consider when choosing your brightness. the Light in the Room No matter the brightness of your projector is, a dark room will always provide the best image. However, many situations require some light for note taking and communication. If a room''s lighting cannot be controlled, a bright projector will be needed. Most include manual or powered zoom and focus, full remote control, enhanced video and data capabilities and increased menu features. $5,000.00 to $8,000.00 Designed for the professional mobile presenter or permanent installations, these SVGA and XGA high lumen projectors range from 1,000 to over 1,600 lumens with weights under 14 lbs. Over $8,000.00 These are usually projectors with either XGA(1024 x 768) or SXGA (1280 x1024) native or true resolution incorporating a minimum of 1,000 lumens of brightness Projector warranties vary from brand to brand. However, they usually have at least one year or more coverage of all parts except the lamp. The lamp will sometimes have a 90 day warranty. Some manufacturers also offer a 24 hour replacement service. In some cases, this may cost extra. Contrast Ratio is the ratio between the whitest and blackest portions of an image. The higher the contrast ratio the greater the ability of a projector to show subtle color details and tolerate extraneous room light. ©2003 www.projector-screens.com. All rights reserved. |