Movies for TV - Early Television Foundation

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Picture Lens Field Frame
View Finder Field
(A)
FUNDAMENTALS
View Finder Frame
Picture Frame
Fig. 11-2. (A) Illustration of view finder and camera lens
alignment. (B) Illustration showing how, at close range, parallax
may cause the photographic image to be off the film.
the correct lens to match the lens used on the camera. There is
often a small viewing lens mounted on the camera above the gate.
The turret lens can be focussed and the scene composed through
this before rotating the lens into place. Other manufacturers use
different methods of view finding, but they work out about the
same in the end. The main drawback to all these methods is the
fact that it is impossible to watch the actual scene being shot,
especially when dollying. However, it is probable that the average
film production for television will not use a great number of dolly
shots, and those which are included can perhaps be made with
the aid of the standard view finder.
One point which causes the average beginner in film work
more sorrow than anything else is the size of magazine used. The
type of camera usually found in stations is the semi-professional
or advanced amateur model. These cameras generally have an
internal space for a 100-foot reel of film, and provision for the
external addition of a 200-foot or 400-foot magazine. They are
generally spring-driven. More lost shots have been caused through
the use of spring drives and 100-foot reels than any other cause.
An electric motor should always be used to drive the camera. A
12-volt battery which is easily recharged and carried in a car and
(BJ