Loading ...
Loading ...
Loading ...
140
Appendix > Glossary
Noise
Misinterpreted pixels in a digital image that may appear as misplaced or
random, bright pixels. Noise usually occurs when photos are shot with a
high sensitivity or when a sensitivity is automatically set in a dark place.
NTSC (National Television System Committee)
A video color encoding standard used most commonly in Japan, North
America, the Philippines, South America, South Korea, and Taiwan.
Optical zoom
This is a general zoom which can enlarge images with a lens and does
not deteriorate quality of images.
PAL (Phase Alternate Line)
A video color encoding standard used in numerous countries throughout
Africa, Asia, Europe, and the Middle East.
JPEG (Joint Photographic Experts Group)
A lossy method of compression for digital images. JPEG images are
compressed to reduce their overall file size with minimal deterioration of
the image resolution.
Metering
The metering refers to the way in which the camera measures the
quantity of light to set the exposure.
MF (Manual Focus)
A system that manually focuses the camera lens on the subject. You
can use the focus ring to focus on a subject.
MJPEG (Motion JPEG)
A video format which is compressed as a JPEG image.
Loading ...
Loading ...
Loading ...