Westminster fountain at sunset

by Jorge Córdoba

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

0
votes
0answers
11 views

Does oval-shaped bokeh indicates that the aspect ratio of the image was modified? [migrated]

In Mission Impossible III, I notice very often that bokeh is not circular, but has a shape of an oval. For example, here are two images where such bokeh is noticeable: Does it necessarily mean ...
1
vote
0answers
48 views

What's the technical explanation for custom bokeh shapes? [duplicate]

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?
1
vote
1answer
150 views

Can I make custom bokeh shape using a 18-55mm Nikkor lens?

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.
3
votes
2answers
283 views

Why is the bokeh shaped like the aperture?

Why is the bokeh shaped like the aperture? What is the physical explanation to this?
0
votes
2answers
235 views

Does number of elements and groups of lens affect bokeh shape? [duplicate]

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 ...
5
votes
2answers
725 views

How do I avoid vignetting when shooting through a cut-out for shaped bokeh?

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 ...
6
votes
2answers
2k views

What size hole do I use to make differently shaped bokeh?

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 ...
13
votes
2answers
637 views

How do I get shaped bokeh without a Lensbaby?

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?