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I have found this interesting way to make pictures bokeh filter for camera

enter image description here enter image description here

but I am wondering if it is possible to achieve the same just using a mobile camera. I have tried to overlap something in front of the camera but it's somehow "too close" to render the same effect..?

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    I'm fairly sure that the mask would need to be smaller than the lens, and almost directly on it for this to work, but may be wrong. – Digital Lightcraft Aug 15 '16 at 13:18
  • The aperture is probably not large enough to do on a phone camera. You typically need to make a design about 85% the size of your widest aperture. – Matthew Whited Aug 15 '16 at 13:19
  • You also need pretty good depth of field control. Something else you won't find on most smart phones. – Matthew Whited Aug 15 '16 at 13:19
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    I didn't say f/stop I said aperture width. And that f/2.2 on an iPhone is nothing like f/2.8 on a dSLR. – Matthew Whited Aug 15 '16 at 13:40
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    If you want to try to cut clean shapes that are less than an eighth of an inch across you might be able to pull this off on a phone. – Matthew Whited Aug 15 '16 at 13:42
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I just did it, so it's possible. Huawei P10 plus, f/1.8, 2x optical zoom, 54mm equivalent, ISO 50, macro focus, 2.5m away from the source light. The mask was 2.5mm in size and placed a half inch from the lens.

shaped bokeh

I used a 2.5mm star-shaped screw driver to make the mask. Then I cut a hole on a soda top and pasted the paper over it.

mask

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just using a mobile camera

Lucky for us, almost all cameras are mobile (Just a joke). On mobile phone camera, the lens is too small to achive that. I made a quick test on my phone.

But there is a chance that if you use an telephoto lens on top of your camera you could.

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You can, however you can not use the filters pictured above. They would need to be much closer to the diameter of the lens. Also, while that would work, in theory, it is very difficult to get bokeh at all from an iPhone. You would need to focus very close, and be very far away from the "bokehed" lights.

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    Could you give an example of someone who has actually done this for a mobile phone camera? It works in theory, but do the practical difficulties make it a non-starter in reality? – Philip Kendall Aug 16 '16 at 6:26
  • It definitely would not work well, but it would work. The bokeh shapes would just be very small. – Isaac Wasserman Aug 16 '16 at 15:21
  • Thank you for the answer. I have tried a lot and could not see any good result – MeV Aug 16 '16 at 16:12

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