E–2EFunctionsSwitching Illumination PatternsIn fl ash photography, the center of the image is most illuminated, while the edgesare darker. The SB-910 provides three types of illumination patterns with differentlight falloff at edges. Select the suitable pattern according to the photographyenvironment.Standard The basic illumination pattern for commonflash photography environmentsEven The light falloff at the edge of the imageis less than with the standard illuminationpattern.Suitable for group photographs, in which•sufficient light is required without lightfalloff at the edges.Center-weighted The center-weighted pattern provides largerguide numbers at the center of the imagethan the standard illumination pattern (thelight falloff at the edge will be greater thanthe standard illumination pattern).Suitable for shots, such as portraits, in•which the light falloff at the edge of animage can be ignored.
