Mark's Nikon SB-E flash PageThis little flash was designed for the Nikon EM. When it's attached it sets the shutter to a 90th, and light a LED in the viewfinder when it's ready. That light will blink if your aperture is out of range, but this flash allows you to select which aperture you want within a range. It has a switch for EM vs FE or FM models. This unit takes 4 AAA batteries, which is expected to cover 40 flashes.
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