Questions tagged [diffraction]
The diffraction tag has no usage guidance.
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Airy disks and pixel pitch on circle of confusions?
I read in this paper by Toshiba, which is in regards to optics in machine vision, that
In machine vision, which processes each pixel of an image sensor at high brightness levels, the permissible ...
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Why does the rainbow change into a green light when zooming using iphone
The rainbow is created with Kikkerland rainbow maker. When zooming with an iPhone the image abruptly changes at 2x zoom to a green light. What is the physics behind this?
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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 ...
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Is this just chromatic aberration? Or is something else happening in these photos?
I took these photos with an old Nikon D60, using a 55-200mm f4-5.6 Nikkor lens, with no filters. ISO was set to 200 and aperture was set as open as possible - which suggests to me this might just be ...
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Sweet Spot on Zoom Lenses on APS-C CMOS sensors?
I have made the conscious decision not to go full-frame on my camera body purchase but to spend the money on top quality 'L' lenses for my Canon 80D. More explicitly, I have the 24-105mm f/4 L and 70-...
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Why does the electronic shutter prone to diffraction?
According to some comparisons I've read between mechanical and electronic shutters, the latter is prone to the diffraction of light, how so?
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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, ...
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What is the difference between Diffraction Spikes and Lens Flare?
When Googling for lens flare, one often finds images that also include stars (rays / diffraction spikes), like this:
What is the difference between diffraction spikes and lens flare and are the two ...
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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/...
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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 ...
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What does Canon digital lens optimizer (DLO) do exactly?
Recent Canon cameras (example: EOS RP) have a function called Digital Lens Optimizer (DLO).
The Canon Digital Photo Professional (DPP) software also has the same DLO feature.
Apparently, DLO is ...
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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 ...
- 2,019
5
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What kind of lenses with a "slightly different diffraction behaviour" were used in "large format photography in the 1980s"?
Referring to an interview with a lens expert (Krolop&Gerst Objektivreihe 17/32), discussing diffraction limits.
"Es gibt ein paar Spezialobjektive die haben ein bisschen anderes Beugungsverhalten,...
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Can the diffraction limit be overcome with superresolution?
As the title says, can the diffraction limit be overcome with superresolution techniques? Or is this the absolute hard limit in optical photography without making special assumptions?
If this is the ...
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What is the Nikon D3200's diffraction limit?
I'm new to the world of macro so do bear with me! I shoot pictures of fish through aquariums, so normally this means the lens is always perpendicular to the glass surface to avoid blurring.
However ...
- 1,155
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