An ultra-wide lens is great for group or scenic shots ... Unfortunately, wide angle lenses also introduce quite a bit of "barrel" distortion, where straight lines tend to look like they are ...

It’s impossible for us to recommend the best Sony lens for everyone, simply because there are so many to choose between. From wide-angle primes to super-telephoto zooms, we’ve tested a whole ...

If the light hits the surface of a glass block at an angle, this change in speed ... then out of, the lens. Convex lenses have a wide range of uses, and are commonly found in: magnifying glasses ...