Samsung ES90 User Manual

Contents

Samsung ES90 User Manual Manual pdf 101 page image

Appendixes 100GlossaryMeteringThe metering refers to the way in which the camera measures thequantity of light to set the exposure.MJPEG (Motion JPEG)A video format which is compressed as a JPEG image.NoiseMisinterpreted pixels in a digital image that may appear as misplacedor random, bright pixels. Noise usually occurs when photos are shotwith a high sensitivity or when a sensitivity is automatically set in a darkplace.Optical zoomThis is a general zoom which can enlarge images with a lens and doesnot deteriorate quality of images.QualityAn expression of the rate of compression used in a digital image.Higher quality images have a lower rate of compression, which usuallyresults in a larger file size.ResolutionThe number of pixels present in a digital image. High resolution imagescontain more pixels and typically show more detail than low resolutionimages.Shutter speedShutter speed refers to the amount of time it takes to open and closethe shutter, and it is an important factor in the brightness of a photo, asit controls the amount of light which pass through the aperture before itreaches the image sensor. A fast shutter speed allows less time to letlight in and the photo becomes darker and more easily freezes subjectsin motion.VignettingA reduction of an image’s brightness or saturation at the periphery(outer edges) compared to the center of the image. Vignetting can drawinterest to subjects positioned in the center of an image.White balance (color balance)An adjustment of the intensities of colors (typically the primary colorsred, green, and blue), in an image. The goal of adjusting the whitebalance, or color balance, is to correctly render the colors in an image.