On Fri, May 22, 2009 at 07:49:36AM -0400, paul stenquist wrote:
> Because you get only partial flash output, the catchlights and the 
> illumination are minimal with artificial high-speed synch. Non-existent in 
> bright light at a distance of more than five or six feet. I use it all the 
> time, but it's a poor substitute for the real thing.

To put some numbers on it: the Metz 48 AF-1 has a GN of 35 at 50mm-e @ ISO
100, but in HSS mode, only 15. That means about 80% of the power is lost.



-- 
Matthew Miller           [email protected]          <http://mattdm.org/>
The Definitive Pentax P-TTL Flash Model Guide: <http://pttl.mattdm.org/>

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