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a property that deviates from the desired behavior

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2
votes
3answers
121 views

Can gripping a lens too hard cause softness/aberration or other damage?

I have a Nikon D80 kit lens with a circular screw-on polariser filter. In order to remove the filter I might have to grip the lens quite hard, and the end of the lens might be moved about in the ...
4
votes
1answer
97 views

Which lenses show focus shift?

Some lenses, because of a design that includes uncorrected spherical aberration, shift their plane of focus backwards as the aperture is narrowed. This is most apparent at close focusing distances and ...
2
votes
1answer
72 views

Compensating for Focus Shift?

Some lenses, because of a design that includes uncorrected spherical aberration, shift their plane of focus backwards as the aperture is narrowed. This is most apparent at close focusing distances and ...
1
vote
2answers
112 views

What can cause different aberration on left side and right side of photo?

I got a photo of starry sky where I find different kind of aberrations on the left side and the right side of photo. It seems consistent in various photos so far, but this lens is quite new to me and ...
13
votes
2answers
303 views

Is it a bad idea to activate lens-corrections in camera, when also use lens-correction in Lightroom?

My EOS has the option to correct known lens-aberration which is activated at the moment. I use Lightroom (5.2) for post-processing, which can also correct lens-aberration. Is it a problem to ...
3
votes
2answers
1k 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 ...
9
votes
4answers
627 views

What is the meaning of these Photodune reasons for rejection?

I wanted some advice, I am new to photography, I posted an image on Photodune for sale and it was rejected because of: Element or framing composition Noise, exposure, lighting or saturation ...
4
votes
3answers
558 views

Why is there a strange white spot on all of photos from my Zenit-B SLR?

I've taken some photos with my old Zenit-B camera. And I have some strange white spot on all of the photos in the upper right corner. Sometimes it is not too recognizable, but it is everywhere. ...
9
votes
1answer
272 views

What are these lines through my images?

I have these lines or streaks across many of the images on this roll I had developed. I can see the same lines on the negatives as well as the prints. The lines are in the exact same spot across I ...
7
votes
6answers
232 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 ...
5
votes
7answers
529 views

Is this sensor ghosting, or something else?

I recently took some shots of a house fly, primarily for use in a simple case study of print sharpness that I posted here. Several of the shots turned out fairly well with flash, however they all seem ...
10
votes
3answers
2k views

How many optical aberration types are there in lenses? And what are they?

Everyone hears something about chromatic aberration but are there any other types? What causes them?