Simply putting a heart shaped cut-out in front of the lens turns this into this How does that happen? What's the optics behind this phenomenon?
Custom bokeh shapes need a large aperture. The max aperture my lens can reach is f3.5. Is it big enough for a custom bokeh? I tried but it doesn't work.
Why is the bokeh shaped like the aperture? What is the physical explanation to this?
Possible Duplicate: What about lens construction influences bokeh? Does the circular or hexagonal shape of the bokeh depends on the number of elements and groups of the lens?? If not then ...
I used a 18mm-50mm lens at f/3.5, with a card with a cut-out heart shape of about 4mm. I got the shaped bokeh effect, but the outer side of image is dark due to the card. How do I avoid this and ...
This is my question in one huge breath: What would be the correct size of an elliptic bokeh filter be to create a fake anamorphic distorted bokeh effect with a regular Canon 50mm f/1.8 II lens with a ...
Is there a good hardware solution for generating shaped bokeh? I know Lensbaby has a set of filters that give various shapes — is there a similar solution for other lens?