Photography Photo terms. W.C. Houston, TX composition freezing action indoor shots panning squeezing shutter button focal lengths fogging film panorama mode shooting head-on angle of view aperture setting print format time and date black-and-white long-zoom standard exposure zoom lens autoexposure infinity lock focus point autofocus backlight compensation fill flash mode built-in flash burning in changing modes fill-flash mode custom processing capturing the moment moving sideways off-center shooting rechargeable exposure compensation difficult photos emotional variety planning tactics cloudy day light color negatives color filtration hard light landscapes portrait cropping digital photographs compression downloading into computer enlargements red eye correct exposure formal photographs latent images ISO number f-stops manual focus double exposure time exposure