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What is Coma? — Photography by John R. DeLapp
- https://www.delappphotography.com/what-is-coma#:~:text=What%20we%20are%20talking%20about%20here%20is%20the,imperfection%20in%20the%20way%20the%20lens%20focuses%20light.
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What is Coma in Photography and How You Can Reduce It
- https://photographylife.com/what-is-coma
- Stopping down the lens allows aperture blades to block light rays coming from the outer edges of spherical lenses, which essentially reduces …
What are Lens Aberrations? (And How This Affects Your …
- https://expertphotography.com/lens-aberrations-photography/
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How to Remove Coma Aberration From Your Astro Images
- https://milkywayphotographers.com/article/2019/02/14/how-to-remove-coma-aberration-from-your-astro-images/
- There are a few methods to get rid of that nasty looking coma. The first method to remove the coma is to crop it out. If you crop out the coma in a …
What is Coma? — Photography by John R. DeLapp
- https://www.delappphotography.com/what-is-coma
- What we are talking about here is the photographic definition of coma which is: a spherical lens aberration in which the image of a point of light is rendered as a comet-shaped blur. A lens aberration, of course, is any imperfection in the way the lens focuses light. (There are a number of lens aberrations but this article is mainly limited to ...
What is chromatic aberration? - beginner's guide | Adobe
- https://www.adobe.com/creativecloud/photography/discover/chromatic-aberration.html
- What is chromatic aberration? Chromatic aberration, also known as color fringing, is a color distortion that creates an outline of unwanted color along the edges of objects in a photograph. Often, it appears along metallic surfaces or where there’s a high contrast between light and dark objects, such as a black wall in front of a bright blue sky.
Testing Lenses For Coma - MilkyWayPhotographers.com
- https://milkywayphotographers.com/article/2019/12/28/testing-lenses-for-coma/
- Focusing stars is an important skill for Milky Way photography. Learn more here: Milky Way Photography for Beginners – Camera Techniques. If you have images with coma (or astigmatism) that you want to remove, learn more here: How to Remove Coma Aberration From Your Astro Images. kdk 1/13/20
Optical Aberrations - RP Photonics
- https://www.rp-photonics.com/optical_aberrations.html
- Encyclopedia > letter O > optical aberrations. Optical Aberrations. Definition: degradations of optical images caused in imaging instruments. More specific terms: defocus, astigmatism, coma, spherical aberrations, chromatic aberrations German: optische Aberrationen. Categories: general optics, vision, displays and imaging. How to cite the article; suggest additional literature
What is Spherical Aberration? - Photography Life
- https://photographylife.com/what-is-spherical-aberration
- Last Updated On December 10, 2019. Spherical Aberration is an optical problem that occurs when all incoming light rays end up focusing at different points after passing through a spherical surface. Light rays passing through a lens near its horizontal axis are refracted less than rays closer to the edge or “periphery” of the lens and as a ...
A Comprehensive Guide to Spherical Aberration
- https://digital-photography-school.com/spherical-aberration-photography/
- As a photographer, there are a few ways you can minimize spherical aberration in your photos. Let’s take a look. 1. Invest in good lenses. The RF 15-35mm f/2.8L IS USM is one of Canon’s aspherical lenses. The material, the coating, and the quality of the glass can both increase and reduce spherical aberration.
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