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Ferguson

Cape Coral, US
5757 posts

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"RE: Help me out please"

Ferguson Silver Member Fellow Ribbon awarded for the generous sharing of his high level expertise in the spirit of Nikonians Nikonian since 19th Aug 2004
Sun 28-Oct-12 08:44 PM


>What am I missing? Where do you get the information to make
>the EV11 call, Brian ?

I'm wondering as well, as about when he was posting that I was about to post that it was +14, which was three stops different. I just dug up (thanks to Google) a calculator here:

http://www.giangrandi.ch/optics/lenses/expcalc.html

And it gives 13.9. Now the lens focuses wide open and the comment was in the AF usage sense, so at F5.6 you get about EV+.3 more for focus.

My comment about it being dark was not about focus just about getting a decent image of a fast moving subject, IF the goal was to freeze action completely. That might not have been the object of course.

But I'm also curious about the EV +11, as I don't think in "EV" so was not at all sure of my number.



Linwood

Comments welcomed on pictures: Http://captivephotons.com

This is a hot, active topic! Help me out please [View all] , Escaladieu Silver Member , Tue 23-Oct-12 12:27 PM
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