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<blockquote data-quote="WayneF" data-source="post: 258974" data-attributes="member: 12496"><p>I never know if to offer an opinion or just keep quiet. Because, the R1C1 may not be the best choice for like hummingbirds. It is a very low powered flash, only about half the power of the little internal flash. Its feature is to be tiny, and mount on a lens.</p><p></p><p>Hummingbird wings are so fast, and are a special challenge. Speedlights are fast too, and will stop incredible motion, but only when at low power levels. The low power is what makes them fast. See <a href="http://www.google.com/search?q=hummingbird+photography" target="_blank">hummingbird photography - Google Search</a> about all you need to know hummingbirds. Too much flash power is never a problem for hummingbirds.</p><p></p><p> A speedlight like the SB-700 has a duration of 1/25,000 second if at 1/64 power (manual page H-17). This speed will stop hummingbird wings (but it is best done in the shade, to overpower the ambient, which could still blur the wings). But it has a lot more power than the R1C1, so there is still some usable power left when at 1/64 power. So its 1/64 power might be used at say f/7 at two feet at ISO 400, which seems feasible for hummingbirds (camera is more distant, but the flashes are up close). <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> The R1C1 will do 1/64 power, but would have to be near f/1 in the same place (which is not realistic).</p><p></p><p>Insect situations don't need the same extreme speed, higher power levels could be used, which is more range. The R1C1 is designed more for extreme closeups, like 1:1 macro. which are very close. But hummingbirds are much larger, and distances are relatively farther.</p></blockquote><p></p>
[QUOTE="WayneF, post: 258974, member: 12496"] I never know if to offer an opinion or just keep quiet. Because, the R1C1 may not be the best choice for like hummingbirds. It is a very low powered flash, only about half the power of the little internal flash. Its feature is to be tiny, and mount on a lens. Hummingbird wings are so fast, and are a special challenge. Speedlights are fast too, and will stop incredible motion, but only when at low power levels. The low power is what makes them fast. See [URL="http://www.google.com/search?q=hummingbird+photography"]hummingbird photography - Google Search[/URL] about all you need to know hummingbirds. Too much flash power is never a problem for hummingbirds. A speedlight like the SB-700 has a duration of 1/25,000 second if at 1/64 power (manual page H-17). This speed will stop hummingbird wings (but it is best done in the shade, to overpower the ambient, which could still blur the wings). But it has a lot more power than the R1C1, so there is still some usable power left when at 1/64 power. So its 1/64 power might be used at say f/7 at two feet at ISO 400, which seems feasible for hummingbirds (camera is more distant, but the flashes are up close). :) The R1C1 will do 1/64 power, but would have to be near f/1 in the same place (which is not realistic). Insect situations don't need the same extreme speed, higher power levels could be used, which is more range. The R1C1 is designed more for extreme closeups, like 1:1 macro. which are very close. But hummingbirds are much larger, and distances are relatively farther. [/QUOTE]
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