Newest 'diffraction+aperture' Questions

0 votes

2 answers

150 views

how to find best FX camera to avoid diffraction at small apertures

Long time Nikon user. Looking to capture highest resolution images at smallest apertures possible in order to obtain most depth of field. Have read various scientific writing about diffraction and ...

Martha Smudger

29

asked Aug 28, 2021 at 14:24

0 votes

1 answer

200 views

How can we calculate effective megapixel loss due to diffraction?

How can we calculate an image's effective megapixel count at each aperture setting, specifically as loss relates to diffraction? Assume that we already know the sensor size, its true megapixel count, ...

icor103

739

asked Feb 28, 2020 at 5:40

1 vote

3 answers

515 views

Is it better to shoot at diffraction limited aperture or sharpest lens aperture?

In the old cameras like Nikon D80 with 10 Megapixel pixel count. The diffraction limited aperture is F/13 but its known that lenses are generally sharpest at the F/8 so it's a no brainer to shoot at F/...

Delta Oscar Uniform

2,019

asked Dec 11, 2019 at 4:29

2 votes

3 answers

451 views

Is diffraction limited aperture independent of lens?

I have always understood diffraction limited aperture as a property of the camera and its sensor, not of the lens. The camera has a certain sensor size and a certain megapixel count, which together ...

juhist

6,855

asked Oct 2, 2019 at 17:40

1 vote

1 answer

173 views

Is there an online lens diffraction and maximum sharpness table?

I simply want to see an table that lists the lens diffraction limit of each camera. I have came across this well done answer with animated PNG and I realized there i also the perfect sharpness ...

Delta Oscar Uniform

2,019

asked Jul 26, 2019 at 21:53

5 votes

4 answers

10k 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 ...

Jez'r 570

2,298

asked May 30, 2013 at 5:28

14 votes

1 answer

2k 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 ...

rapscalli

1,436

asked Sep 24, 2011 at 20:18

26 votes

4 answers

3k 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 ...

mattdm

144k

asked Apr 23, 2011 at 17:10

69 votes

7 answers

24k 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 ?

rfusca

26.5k

asked Feb 5, 2011 at 19:30

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All Questions

how to find best FX camera to avoid diffraction at small apertures

How can we calculate effective megapixel loss due to diffraction?

Is it better to shoot at diffraction limited aperture or sharpest lens aperture?

Is diffraction limited aperture independent of lens?

Is there an online lens diffraction and maximum sharpness table?

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

Does focal length affect diffraction, in addition to aperture?

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

What is a "diffraction limit"?

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