Count the Turns of the Key

With your first roll of films it is well to learn and remember the

number of turns you must give the key to bring a new exposure into

place. With my camera which takes a four-by-five picture, five turns of

the key are necessary between the exposures. Knowing this, I count, and

when the fifth turn is reached I complete it slowly, watching carefully

the while for the new number to appear in the little red celluloid

. In this way, even when hurried or excited, I do not lose an

exposure by turning the key once too often. Always remember to place a

new exposure _directly after_ taking a picture, to make sure that you

will not take two on one film. In making ready for a new subject count

again, for there are four things one must be sure of with most cameras

before taking a photograph, and by counting you will know if any have

been omitted:

(1) See that a fresh exposure is in place.

(2) See that the shutter is properly adjusted for

instantaneous (or time) exposure.

(3) See that diaphragm stop is set at the proper

opening for the light you will have.

(4) See that the distance is correctly focussed.

There are cameras, however, that are of universal focus and do not need

adjustment. These are convenient ones for the trail, as they are always

ready and can be used quickly. Being small, they are also light to