Choosing the right focal length is a crucial part of the creative decision making process for a photographer. You can have the best camera for beginners, but if you don't truly understand focal ...

An affordable compact ultra-wide angle lens for Four Thirds system DSLRs, giving an equivalent angle of view of an 18-36mm lens on a full-frame camera. 28 Apr 2010 12:01AM by Gary Wolstenholme ...

This ultra-wide-angle lens features high-quality close-up shooting at a minimum focusing distance of 1.5 feet with an angle of view of 65 degrees. Like all PENTAX lenses, this lens is treated with ...