avinash_balakrishnan Posted June 17, 2014 Share Posted June 17, 2014 I'm new to flashes. So if anything seems stupid please do forgive me. I just recently read articles were that extra light could save some shadows and exposing them properly and especially with birds. I will be using the tamron 70-200 f/2.8 VC with the 70D, or may be in future I'll get a better beamer to use with the 150-600 once I get that ( its on its way ). So I did a bit of a research to find a cheap solution which was more reliable and got to Yongnuo. I would need shutter speeds of 1/1000s, I haven't gone past that unless I'm blessed with sunlight even when shooting BIF. So my doubt is simple - I know first 2 don't have HSS. But my doubt is can I manually set my Shutter speed in the flash and and do the same, and in that case, does the 560 III be enough fr my needs or even 560 II ? Or should I really get that 568 ? I don't plan on using it of camera nor will I be using it regularly. Any advice would help. :) Link to comment Share on other sites More sharing options...
hjoseph7 Posted June 17, 2014 Share Posted June 17, 2014 <p>Hold your horses. Are you going to be shooting birds during the day or at night ? </p> Link to comment Share on other sites More sharing options...
avinash_balakrishnan Posted June 18, 2014 Author Share Posted June 18, 2014 Both day and night, but as I said, not always, but when I might need so. And by night, I don't mean a very dark night, but late evenings when the light fades away. And again, pardon, if my understanding of flashes is wrong or my options aren't proper ! Link to comment Share on other sites More sharing options...
rodeo_joe1 Posted June 18, 2014 Share Posted June 18, 2014 <p>"..can I manually set my Shutter speed in the flash and and do the same..?" - No, not if I'm understanding your question correctly. HSS/FP (Focal Plane) synch is needed for any shutter speed that exceeds the normal X-synch of the camera, and 1/1000th of a second will certainly do that. FP synchronisation is actually a function of the camera, rather than the flash, and the camera will only switch to FP synch mode when it detects an FP/HSS enabled flash in the hotshoe.</p> <p>The YN-568EX/ EX II are the <strong>only</strong> Yongnuo flashes to support FP/HSS. As far as I can see from the specifications, none of their other flashes support it at all.</p> <p>There's a good article on using HSS/FP synch for birding here: http://www.rpphoto.com/howto/view.asp?articleID=1026</p> <p>The article's explanation of how FP/HSS synch works is a little misleading however. FP synch works by triggering the flash as soon as the 1st shutter blind starts to open. So as long as the flash burst lasts as long as, or longer than the transit time of the shutter, then the frame will be fully exposed to the flash. Normal X synch only fires the flash when the 1st blind has reached the far side of the frame and before the 2nd blind starts to close. (Many flashes actually have a long enough duration when on full power for FP synch to work, and in most cases you need the full power of the flash in such circumstances.)</p> <p>FWIW, older film cameras often had a simple switch for "X" or "FP" synchronisation, or had separate P-C co-axial sockets for each type of synch. I don't see any reason why we can't still have that straightforward feature on modern DSLRs - except that then camera makers wouldn't be able to hype us into buying their overpriced flashguns quite so readily.</p> Link to comment Share on other sites More sharing options...
avinash_balakrishnan Posted June 18, 2014 Author Share Posted June 18, 2014 Thanks a lot , the article really helped. So I guess we probably need ETTL + HSS for best results. Will keep that in mind. So any other flashes out there besides yongnuo that'll provide HSS cheaper than canon, but reliable as well ? Its always good t have more options ! :) Link to comment Share on other sites More sharing options...
rodeo_joe1 Posted June 19, 2014 Share Posted June 19, 2014 <p>The Nissin range are very good, but a lot more expensive than YongNuo, while still being cheaper than the Canon or Nikon equivalent. I've been using a Nissin Di866 for some time now and found it totally reliable and very powerful. Not sure if it's the only model that supports FP/HSS, since I haven't looked at the spec of other Nissins. One or two flashes in the Metz range might be suitable as well, but I have no experience of any current Metz model. The Metz flashes that I've used in the past have been very reliable and well-made.</p> <p>You might also want to search for other threads on high-speed synch in this forum, because it's possible to "fool" a camera into Focal-Plane synchronisation while firing almost any old flash via the P-C socket. I've done this with an ancient Metz 45CT-1, and the results were perfectly useable.</p> Link to comment Share on other sites More sharing options...
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