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Is Nikon SB910 worth an investment?
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<blockquote data-quote="WayneF" data-source="post: 300380" data-attributes="member: 12496"><p>Speedlights don't specify watt seconds... no doubt because they zoom so widely. They use Guide Number, which tells more about computed exposure.</p><p></p><p>Here is a chart showing power stops difference from Guide Number settings of the Nikon Models:</p><p></p><p><a href="http://www.scantips.com/lights/flashpower.html" target="_blank">Compare Power Rating of Flashes with Guide Numbers</a> </p><p></p><p>The SB-800 and SB-910 have the same maximum Guide Number, but the SB-800 does it at 105 mm and the SB-910 only does it at 200 mm. The SB-800 is a little stronger at shorter zooms.</p><p></p><p>The SB-700 is somewhat less power, degree varies with zoom, perhaps about 1/2 stop or more (less).</p></blockquote><p></p>
[QUOTE="WayneF, post: 300380, member: 12496"] Speedlights don't specify watt seconds... no doubt because they zoom so widely. They use Guide Number, which tells more about computed exposure. Here is a chart showing power stops difference from Guide Number settings of the Nikon Models: [URL="http://www.scantips.com/lights/flashpower.html"]Compare Power Rating of Flashes with Guide Numbers[/URL] The SB-800 and SB-910 have the same maximum Guide Number, but the SB-800 does it at 105 mm and the SB-910 only does it at 200 mm. The SB-800 is a little stronger at shorter zooms. The SB-700 is somewhat less power, degree varies with zoom, perhaps about 1/2 stop or more (less). [/QUOTE]
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Is Nikon SB910 worth an investment?
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