DIY Photo Trick | Bokeh Shapes

February 28, 2012

Cross Shaped Bokeh

I have been seeing a lot of heart shaped bokeh’s round the innernette and I thought,
these are great…but we can do better. Upside down crosses? Dollah signs? That’s more like it. If you can do math and use sharp tools then what are you waiting for!

Dollar Sign Shaped Bokeh Photograph

Bokeh is a Japanese word referring to the the blur created by the aperture of your lens in the areas that are outside of your depth of field. By placing a filter samller then your aperture on your lens, you can manipulate the light causing the bokeh to reflect the shape.
Tools for DIY Bokeh Kit


  • Prime lens and a DSLR
  • Sturdy Paper like Card Stock/Manila Folder/Construction paper
  • Sharp Edge like an x-acto knife
  • Scissors
  • Ruler
  • Xanax (JK)

Formula for the size of your shape:
Focal Length / Aperture = Size of your shape in mm

I used a 50mm lens with an aperture of 2.0 (50/2 = 25 mm.) Trace your lens or the uv filter and cut out the circle adjusting the size so it can pop onto the front of your lens without tape (I have seen more elaborate ones but I like to be able to switch between them quickly.) Lightly fold the circle in half twice so that you have found the middle. Measure out a 24mm by 24mm square, and draw your shape inside. My x-acto knife skills are not very precise, but you get the idea. Enjoy!

Cross Shaped Bokeh

Dollar Sign Shaped Bokeh

Triangle Shaped Bokeh

Cross Shaped Bokeh

Cross Shaped Bokeh Photography

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