Saturday, July 14, 2012
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Monday, July 9, 2012
There are also passive light modifiers, which will shape the light from an ordinary (shoe mount) flash into that of a ring flash. The adapters use a series of diffusers and reflectors to "bend" the light in an arc around the lens axis. The light is then emitted from that arc. This maintains any through-the-lens (TTL) lighting functions that may be shared by the camera and flash, as the actual light source has not changed.
Ring flash as a lighting technique has enjoyed a strong resurgence over the last few years,[when?] as photographers realize that it is far more useful than the one-look way in which it has been used for decades. Specifically, it is now being used primarily as a fill light to raise the illumination level of shadows created by other, off-axis lights. It is considered[by whom?] to be a particularly good source of fill light, because it does not create harsh shadows.
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