Caple C891C Spezifikationen PDF herunterladen (Seite 13)

Basis for Shutter Speed Selection

Your camera is equipped with a system of giving priority to shutter speed. Depending on the brightness and

movement of a subject, a shutter speed may be optionally selected.

In a broad term, the recommended shutter speed is 1/125 to 1/250 sec. for outdoor photography and 1/30 to 1/60

sec. for indoor shooting. For a moving subject, determine the shutter speed in the following manner:

1) If you want a moving subject to look still in a finished picture, select a fast speed from a range of 1/250 to

1/1000 second

2) If you want to stress the movement of a moving subject, select a slow speed from a range of 1/30 to 1/60

second.

Aperture VS Depth-of-Field

When the lens is focused on a subject. there is a range around

the subject which will be clearly be delineated in a finished

picture. This range is known as a depth of field.

1) The larger the aperture value (i.e., the smaller the lens aperture), 2) the longer the camera-to-subject

distance, 3) the shorter the focal length, the greater the depth of field. The depth of field is shallow for the area

in front of the focal point and deep for the area behind. The actual depth may be known by checking the depth-

of-field scale.

Reading of Depth-of-Field Scale

For a depth-of-field scale, identical aperture readings are calibrated in parallel on both sides of the distance

index mark. The range which is sandwiched between a pair of identical aperture readings is a depth of field in

which the image will be clearly delineated in a finished picture

For example, when the camera-to-subject distance is 7m with a 40mm standard lens, the depth of field will be

about 5~10m for f/4 and about 3m to infinity for f/8.

Infrared Compensation mark

The red-colored "4" on the depth-of-field scale is an infrared compensation mark, which is used for a

compensation of the focal point with the use of infrared film. For example, if the camera-to-subject distance is

infinity, the infinity mark will be brought in line with the infrared compensation mark.

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Caple C891C Spezifikationen Seite 13