Microlenses fabricated using flexible elastomers can be tuned in focal length by application of controlled strain. By varying the strain azimuthally, the lenses may be deformed asymmetrically such ...

Hello and welcome to my first beginners guide of 2012. I hope you all had a Cool Yule involving loads of new cameras and lenses and a happy New Year. If you did get a new lens for Christmas or just ...

How to select the best focal length; Why wide-angle lenses?; Zoom or Prime?; Telephoto lenses; Focal length analysis; All the information you need to select the right lens for landscapes. A focal ...

On February 3, 2016, Sony announced a new camera, three new lenses, and two teleconverters. The media jumped all over the specs on the new Sony a6300 mirrorless camera, and with reason, but they all ...