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 ...

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 ...

Replay: Do we really need to keep using 35mm as our baseline for focal lengths, or is there a much better way? Why do we keep reading descriptions like ‘3.7 mm to 92.5 mm (equivalent to 28.8 mm to 720 ...

Intended for use with cooled cameras having focal planes of up to 28 mm diagonal, StingRay Optics’ 50-mm mid-wave infrared (MWIR) large-format lens assembly can be used as a stand-alone solution for ...

Perspective in an image is all about the relationships between objects in the scene; specifically their relative sizes and positions … Perspective in an image is all about the relationships between ...