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<blockquote data-quote="Barron" data-source="post: 1082683" data-attributes="member: 4394"><p>Can someone breakdown the light measurement this guy is referring to @3:08 when he talks about adjusting his set lighting with an umbrella - cutting away "2 stops" of light? </p><p>[MEDIA=youtube]k3F-6gH3raE[/MEDIA]</p><p>He was using f16 to get a black background, but if the umbrella cuts away 2 stops, now it would put him at f18? So he would then set his f stop to 14 in order to account for the additional 2 tops of light being cut away?</p><p></p><p>He makes a second point about reversing the umbrella so that it does not spill light onto the background. I'm assuming that reversing the umbrella casts the light more directly wherever you're aiming it? Whereas the regular umbrella would blast light everywhere.</p></blockquote><p></p>
[QUOTE="Barron, post: 1082683, member: 4394"] Can someone breakdown the light measurement this guy is referring to @3:08 when he talks about adjusting his set lighting with an umbrella - cutting away "2 stops" of light? [MEDIA=youtube]k3F-6gH3raE[/MEDIA] He was using f16 to get a black background, but if the umbrella cuts away 2 stops, now it would put him at f18? So he would then set his f stop to 14 in order to account for the additional 2 tops of light being cut away? He makes a second point about reversing the umbrella so that it does not spill light onto the background. I'm assuming that reversing the umbrella casts the light more directly wherever you're aiming it? Whereas the regular umbrella would blast light everywhere. [/QUOTE]
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