Westminster fountain at sunset

by Jorge Córdoba

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0
votes
1answer
60 views

Is there an “optimal” background distance when striving for a minimally distracting background?

Let's assume a thin lens and an object O in focus at a distance of dO from the lens. Further, let's assume there's a large out-of-focus background object B at a distance of dB. Now, we know ...
0
votes
1answer
562 views

How to record videos with blurred background with Nikon D5100 [closed]

Has anyone tried to shoot videos with blurred backgrounds using the Nikon D5100. I am trying to shoot cooking video, but with the a blurred background. I have 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom ...
0
votes
0answers
180 views

Clear and sharp shot of a static object on a very blurry background (EOS550D) [duplicate]

Possible Duplicate: How can I maximise that “blurry background, sharp subject” (bokeh) effect? I am trying to achieve clear and sharp shot of a static object on a very blurry ...
17
votes
0answers
2k views

Why does a larger aperture cause more blur of the background? [duplicate]

Possible Duplicate: Technically, why is the out of focus area blurred more when using a bigger aperture? Why is it that a larger lens aperture produces a shorter depth of field, causing the ...