Bokeh Shapes

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About: Hi, I'm Johan Link, a 17 years old student living in Switzerland. I love robotics, computers, 3D printing, photography and skate.

Bokeh definition: A trick in photography where one part of the photo is in focus and the rest isn't, so attention is drawn to the subject. That out-of-focus area is called bokeh.

Most of the time, the bokeh is made up of many circles of different sizes. By putting a stencil in front of the lens we can change the shape of the bokeh. So I decided to make stencils using my 3D printer. With these stencils, the bokeh can have the shape of triangles, squares or stars.

If you like this instructable, you can vote for me in the Optics Contest ;)

Step 1: Print STL Files

Here are the .stl files that allow you to print your own stencils.

WARNING, these stencils are only compatible with the Nikon DX 35mm f / 1.8 lens.

Step 2: Install the Cap on a Lens

The stencils fit on the lens like a lens hood.

Step 3: How to Use It?

The best way to get good results is to take pictures with a big distance between the subject and the background. Focus on the subject, and there must be bright spots in the background. Don't forget to open the camera's diaphragm at f/1.8.

Step 4: Test It!

Be creative! :)

Do a lot of testing. With these stencils you can make even more artistic and unique photos.

English is not my mother tongue, sorry for mistakes.

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    3 Discussions

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    jessyratfink

    16 days ago

    Really well done! The effect is really crisp :)

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    AlbertoN28

    Question 4 weeks ago on Introduction

    Great work!! Is the stencil's hole dimension directly connected to the f of the lens (and obviously to the diameter of the len)? There are some formulas to make this stencils for other lens?

    1 answer
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    Johan LinkAlbertoN28

    Answer 4 weeks ago

    Thank you for your comment. I didn't use any formulas to determine the size of the shapes, I just did several tests with different sizes.