Samsung WB30F User Manual - Page 149

JPEG Joint Photographic Experts Group, LCD Liquid Crystal Display

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Glossary ISO sensitivity The sensitivity of the camera to light, based on the equivalent film speed used in a film camera. At higher ISO sensitivity settings, the camera uses a higher shutter speed, which can reduce blur caused by camera shake and low light. However, images with high sensitivity are more susceptible to noise. 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. LCD (Liquid Crystal Display) A visual display commonly used in consumer electronics. This display needs a separate backlight, such as CCFL or LED, to reproduce colors. Macro This feature allows you to capture close-up photos of very small objects. When using the macro feature, the camera can maintain a sharp focus on small objects at a near life-size ratio (1:1). Metering The metering refers to the way in which the camera measures the quantity of light to set the exposure. MJPEG (Motion JPEG) A video format which is compressed as a JPEG image. 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. OIS (Optical Image Stabilization) This feature compensates in real-time for shaking and vibrating while shooting. There is no image degradation compared to Digital Image Stabilization feature. Optical zoom This is a general zoom which can enlarge images with a lens and does not degrade the quality of images. Appendixes 148

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Glossary
Appendixes
148
ISO sensitivity
The sensitivity of the camera to light, based on the equivalent ±lm speed used in
a ±lm camera. At higher ISO sensitivity settings, the camera uses a higher shutter
speed, which can reduce blur caused by camera shake and low light. However,
images with high sensitivity are more susceptible to noise.
JPEG (Joint Photographic Experts Group)
A lossy method of compression for digital images. JPEG images are compressed to
reduce their overall ±le size with minimal deterioration of the image resolution.
LCD (Liquid Crystal Display)
A visual display commonly used in consumer electronics. This display needs a
separate backlight, such as CCFL or LED, to reproduce colors.
Macro
This feature allows you to capture close-up photos of very small objects. When
using the macro feature, the camera can maintain a sharp focus on small objects at
a near life-size ratio (1:1).
Metering
The metering refers to the way in which the camera measures the quantity of light
to set the exposure.
MJPEG (Motion JPEG)
A video format which is compressed as a JPEG image.
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.
OIS (Optical Image Stabilization)
This feature compensates in real-time for shaking and vibrating while shooting.
There is no image degradation compared to Digital Image Stabilization feature.
Optical zoom
This is a general zoom which can enlarge images with a lens and does not degrade
the quality of images.