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Description of Computar T0412-CS
The size of camera’s
imaging device also affects the angle of view, with the smaller devices
creating narrower angles of view when used on the
same lens. The format of the lens, however is irrelevant to the angle of
view, it merely needs to project an image which
will cover the device, i.e.; the same format of the camera or larger.
The focal length of the
lens is measured in mm and directly relates to the angle of view that
will be achieved. Short focal length provides
wide angle of view and long focal length becomes telephoto, with narrow
angle of view. A "normal" angle ofview
is similar to what we see with our own eye and has a relative focal
length equal to the pick up device.
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