Projector screen size and distance is how like? Many friends will encounter some problems when purchasing the projection screen. It is more common to choose how big the projection screen is and what material is good. In fact, there is a certain relationship between the viewing distance and the size of the projection screen, because other factors can be further considered only by first determining the viewing position and the position of the projection screen.
Introduction to projection screen size and distance:
The most popular projection screens for the three most popular display ratios on the market are 16:9, 4:3, and 2.35:1, of which 16:9 has become mainstream. Mainly because 16:9 has become the display specification for HDTVs and some movies, and more importantly, most of the display chips of home theater projectors use the 16:9 aspect ratio specification. The 4:3 display ratio projection screen is far less frequently used in the home theater field than in commercial, educational and other professional fields, but because the current mainstream TV broadcast specifications still stay at the standard level of 4:3, for watching TV programs frequently. For friends, the 4:3 projection screen is also very suitable. The 2.35:1 projection screen is a wide viewing angle display, which is common in the manufacture of movies, because the 2.35:1 projection screen is mainly designed to meet those who watched the 2.35:1 movie blockbuster. Also worth mentioning is 16: 9 and 2.35: projection screen 1 completely by an electric web device or the simple manual masking means to achieve different ratios projection screen cover, the user may be different to the environment of choice according to a suitable projection screen, such as a room belonging to prolate, select 2.35: 1 projection screen can have higher utilization, narrow if high, might choose 4: 3 would be more appropriate.
Projector to screen distance is calculated:
Minimum projection distance (m) = minimum focal length (m) x screen size (inches) 液晶 LCD size (inches)
Maximum projection distance (m) = maximum focal length (m) x screen size (inches) 液晶 LCD size (inches)
Screen size projection distance known to give
Maximum projection screen (m) = projection distance (m) x LCD size (inches) æœ€å° minimum focal length (m)
Minimum projection screen (m) = projection distance (m) x LCD size (inches) ÷ maximum focal length (m)
About the projector screen sizes and distances to introduce so much, there is a need, a friend can have a good look, I believe will be helpful.
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