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Finally – Aperture and Shaped Bokeh Relations Revealed

May 27, 2010 by Udi Tirosh Add Comment

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HOW TO (by steven -l-l-l- monteau)Photographer Steven Monteau, the guy behind the Battlefield Pinhole camera, decided to take a stab at the Shaped Bokeh thing.

As everything with Steven, it is a combination of Art, science and Magic. Steven explored the effect of using different apertures on the final shaped bokeh effect, and did this in quite a unique way.

Using a 50mm 1.4 Lens, Steven took 16 different test shots. Each shot with a different aperture and a different bokeh shaping filter. Now here comes the smart part, the shape of the filter is the F stop used in the shot. Gotta admit that this is a pretty clever tagging system. (And actually way better than tagging the apertures with recycle symbols or bear paws).

Before we jump into the actual test, If you wanna take a stub on the bokeh thing, you can read the tutorial here,
or get a readymade kit here.

Below are the 16 test shots, for each of the aperture values. As expected, the depth of field grows as aperture becomes smaller. Also not surprising is to see that the bokeh shape is getting smaller (which matches the circle of confusion getting smaller as well). And there is a movie after the test images…

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

Shaped Aperture Test

To get the idea of increasing circles of diffusion, here are two shots, with no filter at f/1.4 and f/8

Shaped Aperture Test

Shaped Aperture Test

The time lapse movie below is the outcome of that exploration. See if you can guess the aperture of each segment of the film.

Steven’s Flickr stream is filled with explorations, studies and general goodies, if you like this blog, there is a good chance you’ll like the stream

FIND THIS INTERESTING? SHARE IT WITH YOUR FRIENDS!

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Related posts:

The Relations Between Curves, Color And Magic Default ThumbnailCreate A Shaped Bokeh Lens Cap Default ThumbnailTelling a Story With Shaped Bokeh – Five Examples Default ThumbnailCan You Make Computerized Shaped Bokeh?

Filed Under: DIY Tagged With: Filters, Readers Projects

Udi Tirosh: from diyphotography.net

About Udi Tirosh

Udi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

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Udi Tirosh: from diyphotography.netUdi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

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