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<blockquote data-quote="Jerry_" data-source="post: 383949" data-attributes="member: 34209"><p>Elgato, </p><p></p><p>the rule of thumb is that the fraction of a second for the exposure shall be not longer than the focal length when handheld (i.e. If shooting at 50mm, the exposure time should be not longer than 1/50s, etc.) but this is just a rule of thumb that gives an indication ...</p><p></p><p>Settings that impact on the exposure time are aperture and ISO values</p><p></p><p>Aperture: for the DOF (depth of field) smaller apertures are better (again, apertures are expressed as fractions, so when you read 8, it means 1/8) -- however a smaller aperture means less light passing, so longer exposure.</p><p></p><p>ISO: you can compensate (or the camera does, depending on the settings) with ISO settings ( the higher the ISO value, the more sensible is the sensor (previously the film), which again shortens the exposure time.</p><p></p><p>The best combination depends on your equipment (both camera and lens).</p></blockquote><p></p>
[QUOTE="Jerry_, post: 383949, member: 34209"] Elgato, the rule of thumb is that the fraction of a second for the exposure shall be not longer than the focal length when handheld (i.e. If shooting at 50mm, the exposure time should be not longer than 1/50s, etc.) but this is just a rule of thumb that gives an indication ... Settings that impact on the exposure time are aperture and ISO values Aperture: for the DOF (depth of field) smaller apertures are better (again, apertures are expressed as fractions, so when you read 8, it means 1/8) -- however a smaller aperture means less light passing, so longer exposure. ISO: you can compensate (or the camera does, depending on the settings) with ISO settings ( the higher the ISO value, the more sensible is the sensor (previously the film), which again shortens the exposure time. The best combination depends on your equipment (both camera and lens). [/QUOTE]
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