In optical lenses, chromatic aberration (also known as achromatism or chromatic distortion) is a type of distortion in which there is a failure of a lens to focus all colors to the same convergence point.

Digital photography has become a hobby that is more and more affordable in recent years, with the increase of hobbyist photographers to serious enthusiasts the camera and lens manufacturers have become competitive and innovative in releasing high specification products.

The Dodge, Burn, and Sponge tools in Photoshop CS 6 can be used to correct the lighting of an image. Let’s look at each of these tools and what they are useful for.

Telephoto lenses are useful for wildlife and landscape photography, given their ability to enlarge distant subjects, but they’re also great for giving your photo an artistic look.

Using great noise reduction is like upgrading your lens. Why do we pay 16x more for one 50mm lens vs. another?

Here are the steps on how to recover shadows and make an image more vibrant with the Topaz Lab’s plug-ins.

Very simply, focal-length is the distance from the lens to the film, when focused on a subject at infinity. In other words, focal length equals image distance for a far subject. To focus on something closer than infinity, the lens is moved farther away from the film or sensor. This is why most lenses get longer when you turn the focusing ring.