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by Bart Arondson

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1
vote
3answers
586 views

How does sensor size impact depth of field and diffraction for macro photography?

Macro photographers often stop down to very small apertures to maximize the razor thin depth of field when operating at such close focus distances. Smaller sensors have greater depth of field than ...
2
votes
4answers
560 views

Are there any lenses have smaller apertures than f/32?

While most photographers prefer fast lenses that range down to f/1.2, are there any lenses that go smaller than f/32? If there are, what is so special about those lenses that an aperture of f/32 ...
2
votes
1answer
302 views

Does increased resolution compensate for diffraction?

Given a sensor size, the diffraction limit (and cut-off) are determined largely (entirely?) by the density of pixels on the sensor. With the trend of ever-increasing megapixel counts, this means that ...
6
votes
3answers
488 views

Is there any way starburst diffractions could be captured with a fixed f/2 smartphone lens? [closed]

There's been some controversy surrounding the publicity camera samples for Nokia's new flagship smartphone, the Lumia 920. First it was shown (and admitted by Nokia) that the stabilised video footage ...
5
votes
1answer
136 views

Is diffraction an issue with macro lenses?

I'm looking to try out macro photography and have a rental of the Canon 100mm 2.8L IS and the MT-24EX flash to try out on my Canon 7D. I've been reading that with the flash, you can stop down to ...
19
votes
3answers
493 views

Do very short shutter speeds result in diffraction?

I'm curious if very short exposure times (say 1/8000 or even 1/16000) would cause noticeable blur due to diffraction. To achieve very fast shutter speeds focal-plane shutters start to close the ...
10
votes
1answer
888 views

Does focal length affect diffraction, in addition to aperture?

The reason I ask is that f/18 on a 24mm lens = 1.5mm, and f/18 on a 180mm lens = 10mm. I thought diffraction is due to the small physical size of the aperture, rather than the f-ratio, yet I only ever ...
19
votes
3answers
1k views

Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?

In Understanding Exposure (3rd edition, on page 48), Bryan Peterson has what might be called a rant against modern on-line conventional wisdom about diffraction limits. Answers on this web site are ...
44
votes
7answers
7k views

What is a “diffraction limit”?

I've seen the term used, but what is a "diffraction limit", when should I worry about it, and what undesirable effects are a result of it ?