"Advice For Home Theater Projectors"
With projectors being driven by differing technologies and with different specifications as to resolution, contrast ratios, image aspect ratios, nature of scanning, lamp life, viewing angles, and color capability, purchase of the right type of home theater video projector is a matter of research into projector technology.
Any home theater projector advice would have to discuss the implications of CRT, LCD, DLP, D-ILA or LCOS projector technology with respect to either or all of the specifics mentioned above. Companies and brands differences in the home theater projectors category, start with the various luminance capabilities of the projector lamp that ranges from 500 ANSI Lumens in home theater projectors to 4000 ANSI Lumens in professional models, a factor which determines the intensity of light and possibly has implications on the lamp life expectancy. Other factors include contrast ratios which range from a low of 400 :1 to higher values like 2000 :1 or higher.The contrast ratio determines the quality of the picture with reference to the ambient light in the room. And while horizontal viewing angles of some models of home theater projectors extend to 170 degrees which is 10 degree short of a straight angle, allowing for wider coverage of the audience, other features like image aspect contrast determine the width and the height of the picture frame on the screen. With increased sophistication, additional features like video and computer compatibility is offered in different models, in addition to facilitating storage and even printing of material in a multimedia setup.
Additionally, the type of scan, as to progressive or interlaced will impact the resolution and picture quality of the video. However, any primary advice on home theater projectors would need to advert to the type of projector technology to opt for. With options mainly being CRT, LCD, and DLP, the eventual choice would impact the life and durability of the projector, besides the color capability of the projector in faithfully reproducing picture or video images.
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