What is ‘focus breathing’ and how does it affect your images

[boels069]

Have you ever witnessed slight changes in focal length as you bring your subject into focus? Whether or not you knew what to call the phenomenon, you've likely experienced it many times before

http://www.imaging-resource.com/news/20 ... our-images

[Anoniem 3]

Ik heb nog wel een middeltje tegen COPD liggen. Maar of het ook voor lenzen werkt?