BigIronCruiser Offline Upload & Sell: Off
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It would help if you let folks know how the lights will be used. Will it be indoor and/or outdoor portraits? Will it be to freeze action like the hurdles shown above?
Einsteins, speedlights and other IGBT flashes have very short flash duration, commonly known as t.1 times. They work well for freezing action. You can read about flash duration here.
Godox and similar flashes exhibit t.1 times that aren't so good for freezing action. At full power, the Godox/Cheetah 600 has a t.1 time of 1/220. At 1/16 power, t.1 drops to a very usable 1/3500 sec. When used in HSS mode, t.1 times are less important because shutter speed becomes the dominant factor in freezing action. The downside of HSS is that there's an inverse relationship between shutter speed and effective flash power.
In a studio environment, Einsteins and AB's remain terrific options IMO. The PCB triggers (CST and CSRB) are uber-reliable, and PCB customer support is fantastic. If you look closely, you'll still see quite a few top-shelf pro's using Einsteins and AB's. Portability was my primary objective, so with sad eyes I sold my Einstein's, AB's and PocketWizards after moving to Cheetah (re-branded Godox) lights. YMMV.
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