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Aperture and Depth of Field in Photography


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10 comments

  1. I don't understand. Why not use f/22?

  2. Great teaching, very helpful

  3. great

  4. AMAZING JOB.

  5. Great great job.Thanks a lot.

  6. What is f/22 used for, if not for landscapes?

  7. You are a great photography teacher. You deserve more views and likes!

  8. Hey Dfhdjifh! So the 1/3 and 2/3 is actually just a way of breaking up the area in the field of focus that is sharp. So if you are shooting a macro photo at a higher f-stop you might have a depth of field of 3 cm. In that case 1 cm of focus would be in front of your focus point, the other 2/3 would be behind it. As for f/22, most lenses have a tick that though you have a very deep depth of field at f/22 they loose a super-tiny amount of focus. Not important, I should consider cutting that.

  9. So when you say the dof is 1/3 in front and 2/3 in back of the subject, what is that a fraction of? 1/3 and 2/3's of what? I understand that this proportion is specific to a 50 mm lens, and varies with different lenses, I just dont understand what the fraction is referring to. Thank you in advance, I am confused and frustrated :/ ….Also, you said f/22 would make everything out of focus!? I thought the dof increased with a smaller aperture…I am so confused after watching this. I have a 50mm.

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