glasses

Glasses                                             
by Meysam                

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3
votes
4answers
2k views

Recommendations to avoid color fringing

I'd like to have suggestions to prevent color fringing as much as possible; ideally, when taking pictures, i.e., before post-processing. I understand that overexposed images may cause color fringing, ...
5
votes
2answers
215 views

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 ...
4
votes
2answers
2k 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 ...
1
vote
1answer
58 views

What causes blue and red gradient/shade around black spots in photos? [duplicate]

Right now I'm trying to improve the sharpness of my photos, and for that I've checking if my D7000 has some autofocus issues. Therefore I tested my 35mm f/1.8G and my 50mm f/1.4G. I figured that the ...