In optics, chromatic aberration (CA, also called achromatism or chromatic distortion) is a type of distortion in which there is a failure of a lens to focus all colors to the same convergence point. It occurs because lenses have a different refractive index for different wavelengths of light (the ...
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How can chromatic aberration be corrected within Photoshop?
I know there are many tools that correct chromatic aberration like Lightroom, Capture One and even Photoshop camera raw, but I would like to remove it manually within Photoshop (no plug ins etc) -how ...
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Canon DSLR Lens Correction
In Canon DSLRs there is an option to automatically correct Lens Vignetting and Color Fringing. When enabling this option, would it still be necessary to enable lens correction in LR4/Photoshop? If ...
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Why does Lightroom 4 not have chromatic aberration sliders?
I've upgraded to version 4 and so far so good until I was to correct the chromatic aberration in one photo. I like to shoot wide open with my normal lens and the Canon 50mm f1.4 produces significant ...
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238 views
How do I photograph water without catching glare from sun?
For fun, I have been trying to photograph a small, fast-moving creek near my house, and I cannot figure out how to take a picture of the creek in good lighting without it reflecting the sun and ...
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683 views
What causes longitudinal chromatic aberration on Nikon 50mm f/1.4D?
I have looked on my new 50mm lens photo (I have Nikon D90) and I see "purple fringing" around the unfocused objects (longitudinal chromatic aberration). What's is going on? Is it common for this lens ...
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What is causing this discoloration of water droplets in bright sunlight?
When shooting whitewater with the NEX-5n, I have noticed an artifact where the surface water reflections are colored purple. The strange thing is, it occurs 90% of the time, but some photos (even ...
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Where do these “redshifts” and “blueshifts” come from?
I make many product photos for the company I work for. For this I use Canon 400D with two external flash devices Walimex CY-600K.
I've noticed an interesting effect on many of the photos I take with ...
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How do I use the Chromatic Aberration correction tools in Lightroom?
When I upgraded from a 1000D to a 550D, my 18-55mm started to show more significant Chromatic Aberration. This is probably due to the 8mpx difference between the two cameras.
Due to this, I've ...
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Can the Sony A55 software-correct lens aberrations like the Panasonic GH2 does?
Panasonic GH2 automatically corrects lens geometric distortion and chromatic aberration. If I understand it right, it always applies this correction just after reading from the sensor — so the image ...
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859 views
What is this red/blue effect called?
I was wondering what's the name of the effect in this photograph. I've heard of Chromatic Aberration, but I'm not really sure.
In any case, is it possible to reproduce this kind of effect (without ...
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Is there an easy way to force chromatic aberration?
A couple of months ago I was playing with my camera and a magnifying glass and I noticed that this glass produced a very soft chromatic aberration. Here's an example:
(Here is the full size, 18mp ...
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Which raw processors interpret distortion/CA correction from Micro Four Thirds cameras?
I've been thinking about Micro Four Thirds, which in many cases encodes distortion and chromatic aberration correction into the raw files. But, the raw processor I currently use (Bibble) ignores this ...
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Photographic techniques to avoid chromatic aberration?
I've read several informations here on Photo SE, as well as the wikipedia article on CA.
I understand that it is inevitable that some amount of chromatic aberration shows up for a particular lens, ...
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6answers
214 views
Is it technically possible to build a camera body to correct for lens defects?
Most lenses tend to be expensive because the lens needs to be very complicated in order to correct for various optical effects (aberration, etc). Is it possible to build a sensor and processor ...
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370 views
What is Chromatic Aberration?
What is Chromatic Aberration? Is it a physical part of the lens, or just an optical illusion?
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How do I avoid getting any chromatic aberration in my photographs?
Another question is how to correct it (suggested in proposals), but
... are there ways of avoiding it in the first place?
