Thursday, October 13, 2011

Field Day - Day 13


The entire feel of an image can be drastically altered by a simple change in depth of field (DOF).

Wikipedia defines DOF as:
"...the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image."






The easiest way to change your DOF is to change your aperture.

Shallow DOF:
{wide opening of aperture, small number}


Deep DOF:
{or whatever the technical name for it is...small opening of aperture, large number}



Very different images, huh?
Next time you're out shooting try adjusting your aperture multiple times for the same composition.

You might be surprised at what you get!





31 Days

7 comments:

  1. Oh Katie! Such a good point! I got burned on this a couple of days ago. I was shooting a wide angle in bright sun in a field with crops in the foreground, and awesome tractor/trailer for the focal point, and trees in the background. I really needed a smaller aperture to go ahead and put everything in focus in some of the shots. BUT I've been shooting a lot of football, and lower light these shorter days, so I have needed either a faster shutter speed or more light, demanding an always wide open aperture. I didn't even think of narrowing my aperture in this situation until I saw the photos on my computer. But hey, the close ups were beautiful. :-)

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  2. Isn't this what makes photography fun! All the different ways we can create an image.

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  3. i am loving your 31 day series! loving it!

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  4. Hi
    I just found your blog and I love it!
    I followed!
    BTW
    I am having a photography challenge!
    I would LOVE it if you would enter!
    Here is the link :
    http://thisismyfathersworld2.blogspot.com/2011/10/my-first-photo-challenge.html
    Check it out, but hurry the time to enter ends tomorrow afternoon!
    In Christ,
    Sarah

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  5. Ugh! I can't believe how far behind I am on reading your posts. I have been so looking forward to this. Life just got busy all of a sudden. I am catching up though and I plan on doing the exercises you have for us.

    I love me some shallow DOF but there are definitely times when it needs to be all in focus. You showed a perfect example! That sunflower field doesn't look near as pretty when you can see the road and all the other with it.

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  6. you know, those are two totally different pics. :) And they both have their positives, but I'm loving the first one best!

    I loved the day when this finally CLICKED for me! hehe!

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  7. OH! Okay... This is beginning to make sense! Perfect examples!

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