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SCREENS 1 50
Distance of Screen to Front Seats
(44) Too little distance from the front rowof seats to the screen sets up a wide viewing angle, which is bad. It also tends to decrease sharpness of the screen image when viewed from the front seats. In general it tends
to destroy the illusion that speech comes from the lips of the players.
(45) The front row of seats should never he closer than 20 feet from a 16-foet picture. It" the screen is larger add one foot three inches of additional distance for each foot of additional screen width.
Taking this as a basis, it is a simple matter to calculate the distance required for any picture width. The greater the distance from the front seats the more comfortably the people sitting' there will enjoy the picture. It must not be carried to excess as it would accomplish no good purpose except to reduce seating space unneces sarily. There is no eye-strain involved for tho.se of normal eyesight located one hundred feet from a well-illuminated 16-foot picture. This distance may be accepted as a safe guide.
Height Above Floor
(46) Height of screen above the floor depends largely upon local conditions. It is usually best to have the picture located as low as possible without concealing the view of its lower portion from any seats in the auditorium. The chief objection to height is that it detracts from complete naturalness. A good picture perfectly projected helps the audience forget that it is facing a make-believe world and creates an illusion of real people in real life. The position, size and illumination of the screen are factors that help to create this illusion.
Effects Governed by Dimensions
It is well known that if the front seats are too close to a large screen the image will lack sharpness. It will have a "fuzzy" appearance. This is the natural effect of the tremendous magnification of the film photograph when viewed too closely. It is very hard on the observ