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06-18-2011, 08:12 AM   #1
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Cutting Out the Ambient: ND or Wireless HSS?


Last edited by a.seki; 08-20-2011 at 06:25 PM.
06-18-2011, 09:04 AM   #2
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Radio triggers will always be more reliable, optical triggering is always subject to the FOV of the flash triggering sensor which can be rather narrow. Using a ND filter also cuts down your flash power too as well as the ambient light- so you might have to position your flash units close to the subject at high power settings,without light modifiers. The higher power settings will mean longer recycle times*

instead of using an ND filter I often find using a polariser is more useful because of the sky-darkening effect they give the illusion that a shutter speed was used.

*this depends on your flash of course YMMV - Metz flash units recycle substantially faster than Pentax flash units @ 1:1

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