I shoot people jumping and doing motion stuff from time to time, and even if I use my H2's top sync speed of 1/800, i seem to get a slight blur every time, the blur is the same, no matter what sync speed i use (unless it starts dipping below 1/80 or so, but I never go there unless i need it for effect.)
I don't get this on my canon 5D to the same degree, and have no explanation for it. I have speculated on these three possibilities:
1. The P45+ (previously H3D) has a larger resolution, and this somehow captures the blur more "clearly". I don't see why it should be like this, but a dealer brought this as an explanation.
2. I use one pack with pocketwizards, and let the other ones sync by the first packs flash burst. Effectively this would mean one pack flashes first, and all the others at the same time, but with a small delay behind the first. Could this be the culprit (and do i then need to buy a lot of pocketwizard recievers?)
3. My Profotos just don't have a short enough flash burst at medium power? (I use an Acute2 1200, a Pro-B and AcuteB600R, as well as some compacts if I need it.)
Anyone have the bullet proof recipie for motion stopping studio strobe use with a P45+ on a H2.
-axel
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I can Tell you have posted in many forums asking the same question because I always got it but with the 1DsMII and 1Ds.
The Acutes 1200 actually have pretty bad Short flash duration and are the worst of the line almost.
I have 3 Acute 1200R packs and several Compact Mono s as well and the 600BR.
You must use the pack with like one head on Minimum power.
Forget the Compact they STINK for Freezing also.
Some Bowens like the 1500 mono and the 750's are actually pretty darn good.
I got in many deep discussions with people trying to tell me I need to Black out the studio etc... That was very obvious to me since I have been shooting for 18 years.
It has a lot to do with Flash duration.
I know I guy that shoots with the P45 and he told me he would never use it for an action stuff or Kinds that run a round a lot..:+}
But I am sure it is the lights most likely.
Check out the Flash Durations on the Info for the Lights you have or want.
The Acute 600BR actually has a short flash duration and I use that a lot or my Bowens over the Acutes.
Hope that may help you a little
Snook