Friday, July 20, 2012

Motion Blur

Shutter speed, ISO, and aperture all work together.  Reciprocity.  And it depending on how you want your picture to look, depends on which one you pick to set first (then the other two just follow suit.)
More into that later.

In this case, I wasn't going for portraits.  Ellie yelled, "take a picture of me bouncing," and I was all, "don't have to ask me twice."  So my point was to freeze them in the air (without a flash because they were in an enclosed trampoline.)

 When you are shooting a person reasonably still, you want your shutter to be at twice your focal length of your lens. So if you are shooting a portrait with a 50mm lens, your shutter speed should be at least 1/100th.  If you are shooting kids on a trampoline even faster.

Always keep the "safety zone" in mind to keep motion blur out of your pictures.  If you are in low light situations, open the aperture, increase the ISO, but don't slow the shutter past that point.

Sometimes motion blur is cool, but there is nothing more frustrating than getting a picture home, putting it in the computer, and finding the people aren't crisp like they should be, simply because you were shooting at a speed to slow.  

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