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FORUMS Photography Talk by Genre General Photography Talk 
Thread started 20 Mar 2013 (Wednesday) 16:18
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Pictures at very small aperture, yay or nay?

 
sniperruff
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Mar 20, 2013 16:18 |  #1

Hello everyone

This has bothered me for a while: many pictures posted on Amazon's user reviews are taken at very very small apertures. Take this one for example:

http://www.amazon.com …ref=cm_ciu_imag​es_pl_link (external link)

I thought lenses generally become sharper at smaller apertures, and then quality deteriorates again at extremely small apertures. I see how the photographer took the shot at f22 because it's bright outside, but then couldn't shutter speed (1/30) be bumped up a little so a larger aperture can be used?




  
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*Jayrou
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Mar 20, 2013 16:31 |  #2

I suspect the photographer was wanting to maximize depth of field for that image rather than because it was a bright day, so opted for the smallest aperture.

But yes, upping the shutter speed and widening the Aperture would achieve the same exposure.. just not the same Depth of Field


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tonylong
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Mar 20, 2013 16:51 |  #3

With the pic you linked to, the photog obviously wanted to get the close gravestones as well as the distant ones in "reasonable" focus, so he/she made the choice.

I've done the same, but not very often -- more often my "closer" subjects will be at a bit of a distance.

Macros are often subjects that "need" a narrow aperture, depending on how close you are and then how much of the subject you want in focus. The alternative is to use "focus stacking", it can work well as long as you can pull off multiple shots with adjusted focusing and they can "align" well in software!


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CalPiker
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Mar 22, 2013 01:46 |  #4

Check out this great video by Bryan Peterson about shooting at f22. He gives some really great info about this at around 1:45.

http://www.youtube.com​/watch?v=M0afsXeaMUw (external link)


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cdifoto
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Mar 22, 2013 01:54 |  #5

I only avoid f/22 so I don't have to clean my sensor as often.


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watt100
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Mar 22, 2013 04:32 |  #6

sniperruff wrote in post #15736967 (external link)
I thought lenses generally become sharper at smaller apertures, and then quality deteriorates again at extremely small apertures. I see how the photographer took the shot at f22 because it's bright outside, but then couldn't shutter speed (1/30) be bumped up a little so a larger aperture can be used?

sure, a lower (larger) aperture and higher shutter speed would have looked very similar




  
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Pictures at very small aperture, yay or nay?
FORUMS Photography Talk by Genre General Photography Talk 
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