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Forum: Flashes, Lighting, and Studio 05-29-2011, 10:28 AM  
flash coverage calibration?
Posted By axl
Replies: 4
Views: 1,897
didn't know that, thanks Simon, that pretty much answers my question...
Forum: Flashes, Lighting, and Studio 05-26-2011, 09:56 AM  
flash coverage calibration?
Posted By axl
Replies: 4
Views: 1,897
Hi guys,

just a quick one here.

The older flashguns (FTZ and older) have their coverage calibrated by 135 (FF) format right. So 28mm flash setting will be covering the same angle as is the angle of FOV of 28mm lens on 135 format. When used on APSC this means that 28mm setting will cover the same angle as is the angle of FOV of 17/18mm lens, right?

But how about the P-TTL digital flashes, how are they calibrated?
The 28mm setting, is it covering 28mm on APSC or on 135 format?

thanks for replies :)
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