PentaxForums.com - View Single Post - Comparing current PTTL-compatible flash options

*creampuff* · 06-04-2008, 08:09 AM

Originally Posted by mattdm

...since the flash numbers are all done in full-frame terms...)

GN is derived from aperture x distance. There should be no difference at all whether measured "in full frame terms" or otherwise.

06-04-2008, 08:09 AM	#42
creampuff Site Supporter Join Date: May 2007 Location: Singapore Gallery Photos: 30 Posts: 1,152	Originally Posted by mattdm ...since the flash numbers are all done in full-frame terms...) GN is derived from aperture x distance. There should be no difference at all whether measured "in full frame terms" or otherwise. __________________ http://ideastoprint.blogspot.com/