why is the screen in the theaters are curved at the edges?

Answer 1

Lenses have something called focal point. What that means is that the projected light converges to a point at some distance in front of the lens. When it does that, we say the picture projected onto the screen is "in focus."

If the screen is too far or too close to the lens, the picture will be out of focus...blurred, not sharp. The curves inward on big screens keep the screen surface a fixed distance from the lens. And that fixed distance keeps the projected picture at the focus point of the projector.

Conversely, if the screen were not curved at the edges, those edges would be farther away from the lens than the center of the screen. Thus, if the focal point were at the center, the edges would be too far away and the picture would be blurred. If the focal point were at the edges, the center would be too close and it would be blurred there.

The other answer, which said the curve was for better peripheral vision, is partially right. Peripheral vision is better when the screen curves inward on the sides. So the mind is fooled into thinking the picture is in 3D. This is the concept of those HUGE screens in IMax theaters...they give a 3D effect without wearing 3D glasses.

Answer 2

its so that the view of the people would be clear even at any point or area of the theater. hope this helped!

Answer 3

because there is some thing called vistarima...


cuz.... evryone in the theatr should see the film in the same clarity.. to get like that ..it should be curved...