chromaticaberration

A Simple Explanation of How Lenses Work

Canon just released this 3.5-minute video that explains how lenses work. We learn about focal points, spherical aberration, chromatic aberration, and how multiple lens elements are used together for aberration correction.

This Photoshop Trick Lets You Easily Fix Color Fringing

Photoshop and Lightroom both have built-in tools for dealing with chromatic aberration (AKA color fringing), but in some cases the features don't work as well as you'd hope. In the 8-minute video tutorial above, photographer Steve Perry of Backcountry Gallery shares a quick and easy trick he uses in Photoshop to manually remove fringing from his shots.

Review: Yongnuo’s 35mm f/2 Lens for Canon EF Packs a Punch for the Price

When it comes to the world of Nikon and Canon, there seems to be an endless selection of lenses. Recently, the Chinese company Yongnuo has announced that they will be manufacturing lenses for both of these camera giants. Today, we had a chance to play with the company’s latest YN 35mm f/2 lens for Canon EF mount systems. At $120, the lens sounds like a steal compared to its official Canon counterpart, but is it worth even that price?

This New Flat Lens Captures Perfect Colors Without Chromatic Aberration

A team of researchers at Harvard are trying to revolutionize the world of optical lenses. Instead of traditional curved lenses that suffer from various optical flaws, they are working on a completely flat and ultra-thin lens that overcomes age-old problems and pushes optical quality to the limits of the laws of nature.