Jules A. Schuchman
what external flash would give the best distance at iso 100?
John A. Lind
Don't know what you intend by "best" distance. I presume you mean "farthest" distance and that you're not looking for a studio strobe that must be mounted on a light stand. Two models of electronic flash provide the greatest distance coverage:
(a) Metz 60 CT-4 (or CT-1)
(b) Sunpak 622 Super Pro
Both have GN ratings of 197 (in feet @ ISO 100). Both are also "handle mount" potato mashers (also called flash handles). The Metz *must* be powered by a separate battery "slab" that's worn over the shoulder using a shoulder strap. Although the Sunpak can be powered by "C" cells in a battery box mounted to the front of its handle, I don't recommend it. Recycle time is much too long. Sunpak also makes a couple of battery slabs that can be used with it.
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