Mobile Generally a step up from the Ultra-Mobile class in brightness and features, these projectors slide projectors are designed for presenters on the move. this class is great for small-to-medium sized presentation environments. these units are typically 8 to 13 lbs. conference the conference class projector is designed for either permanent or portable applications. work station connectivity and control system interface is available for most of these projectors. the typical weight is 13 to 30 lbs. projectors are designed for the professional environment. applications would include large classrooms, conference/training facilities, engineering and design, and religious venues. the typical weight for these projectors is over 30 lbs. under $3,000.00 in this price range, you find mostly svga projectors projectors that offer under 500 lumens of brightness and may or may not include zoom lenses and other accessories such as cables, cases and remote controls. these machines usually make great projectors for small training or classrooms where control of light is offered. $3,000.00 to $5,000.00 a step up in bulb + kodak slide projectors class, these projectors are typically svga ranging from 550 to 800 lumens.

resolution projectors can be defined as the number of pixels used by the projector to create an image. the higher the resolution, the better sharpness and clarity of kodak carousel slide projectors the picture on the screen. usually quoted in two numbers, (1024 x 768) the first number represents the number of pixels across the screen. the second number represents the number of pixels from top to bottom. the different types of resolutions are as follows: resolution pixels comments vga 640 x 480 the lowest resolution and the least expensive. svga 800 x 600 many laptops are svga resolution, thus making svga a popular choice. xga 1024 x 768 with new products coming out in xga, this resolution is the second most popular. xga projectors tend to be more expensive than svga projector but prices are dropping due to the increased use of xga laptop computers. sxga 1280 x 1024 sxga products are geared towards high-end personal computers and low end workstations. they are often used in situations where acute resolution of small details is needed. uxga 1600 projectors x 1200 uxga is aimed at workstation applications with slide very high resolution. there are not very many products that have uxga native resolution.

brightness 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 projectors on. 1500 - lumens and up these projectors are used for nightclubs, concert halls, auditoriums, churches and other slide large venues. with this information in mind, there projectors 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.

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