Relation between dust and aperture setting

Started Mar 30, 2014 | Questions thread
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jjnik
jjnik Senior Member • Posts: 1,319
Re: Relation between dust and aperture setting

SushiEater wrote:

I posted the same exact link in my very first post in this thread 5 hours ago.

The way I understand what he is saying is that light is coming from different angles if aperture is smaller and that is why we see more dust which is not correct.

it's the opposite - smaller physical apertures (high f numbers) prevent the light coming in from many different angles making for a pinhole camera effect with larger DOF - so your dust bunnies become more obvious as they are in focus!

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