Search results for "aberration"

Aberrations

Two days ago, I bought a lens adapter so I can use old Nikon Film lenses with my camera. But the night before that, I cleaned a 50mm prime lens myself. I disassembled it and reassembled. Yeah. I know about the do-not-disassenble-lenses-or-else-you-risk-getting-lens-elements-out-of-alignment but I still did go about disassembling it. The huge screws on the metal mount of the lens was very tempting.I bring along my camera and the 50mm f/1.4 attached to it every time I go out so I can do some test... continue reading

Aberration, Color Fringing

Aberration, also known as “color fringing,” refers to the effect in which light passing through a lens becomes blurred and produces a fuzzy image on the film. If the camera lens is unable to focus light of different wavelengths or if the lens is scratched or otherwise damaged, chromatic aberration of the final image will occur.In a normal lens where aberration doesn’t occur, the lens directs light of different wavelengths to specific areas of the film, depending on the particular wavelength.... continue reading

Chromatic aberration

Chromatic aberration appears in photos as "fringes" of color along boundaries that separate dark and bright parts of the image and can be most annoying.Even with Canon L glass and a reasonably high end camera, I'm still faced with it in certain situations - with trees against pale skies, for example, or the edges of a building against a white sky, or blue sky with clouds.There are times when even my software (Photoshop CS5) can't completely eradicate it, so I've figured out a fix which works... continue reading

Purple fringing

Since many lenses can not focus all colours to same convergence point, Chromatic Aberration becomes a major problem for many photographers.If you are shooting in RAW mode , youhave the chance to get rid of this fringing in your raw editor.However in some cases when you forget or dont like to make too many chances in raw editor , you still have another simple way to clean these dummy lines in different colors with the help of Photoshop.1 - Open your image with fringing2 - Copy background... continue reading

How to get rid of lens fringing and chromatic aberrations with PS

Hi would like to share my little knowledge about eliminating those awful and refusal-reason lens fringing on some photos (usually red and green colors by the edges of tour objects). I have made with my snow photos.I took a lot of snow photos by the 8th march big snow that took place in Barcelona, and had a lot of refusals because the damn lens fringing, so what I did:Requires a lot of patience:)1) Open the picture in Photoshop and zoom 200% or 300%. You can see the more visible chromatic... continue reading

Experiences with chromatic aberrations of compact cameras

Hello dear dreamstime members,one reason of refusals are chromatic aberrations in the photographies. You all know this subject CA. I am using a compact camera - of course I am saving money for better one non-compact camera, but this needs lots of time - and I had the luck that some few of my images where accepted. I have taken a little bit naivly photographies of different subjects and I had CAs. At first I didn't know what does this mean and then I have informed myself on the internet. After... continue reading

How can I improve in optical performance and composition?

I am fairly new to the field of photography – I have never had training for it, but I love being able to capture a beautiful moment with a camera.I would like to be able to sell my work, but my images have been refused due to poor optical performance and poor composition.I would like to know how to improve in these areas – either by fixing my photos with some software or by taking better shots the next time.Thank you in advance for your comments and suggestions! continue reading

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