Pentax K20D - Digital Camera SLR, Operating Manual

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Dynamic Range (D-Range)
Indicated with a value expressing the light level reproducible in an image.
This is the same as the term “latitude” used with silver halide film.
Generally, when the dynamic range is wide, it is difficult for bright and dark
areas to occur in the image, and when the dynamic range is narrow, a
sharp image can be achieved.
EV (Exposure Value)
Exposure value is determined by the combination of the aperture value
and the shutter speed.
EV Compensation
Process of adjusting the image brightness by changing the shutter speed
and/or aperture value.
Exif (Exchangeable image file format for digital still camera)
A standard digital camera file format established by the Japan Electronics
and Information Technology Industries Association (JEITA).
Focus point
Position in the viewfinder that determines focus. In this camera, select
from [Auto], [Select] and [Center].
Histogram
A graph that shows the darkest and brightest points in an image. The
horizontal axis represents the brightness and the vertical axis represents
the number of pixels. This is useful when you wish to refer to the exposure
status of an image.
ISO Sensitivity
The level of sensitivity to light. With a high sensitivity, images can be shot
with a high shutter speed even in dark places, reducing camera shake.
However, images with high sensitivity are more susceptible to noise.
JPEG
An image compression method. In this camera, select from
Z
(Premium),
C
(Best),
D
(Better), or
E
(Good). Images recorded in
JPEG format are suited for viewing on your PC or for attaching to e-mail.
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