Скачать с ютуб Secondhand camera lenses. Checks to make buying Nikon Canon Sony Fuji Leica Hasselblad Bronica etc в хорошем качестве

Secondhand camera lenses. Checks to make buying Nikon Canon Sony Fuji Leica Hasselblad Bronica etc

Buying secondhand camera lenses? It's very important to understand what to watch out for when buying used Canon, Nikon, Leica, Fuji, Hasselblad, Schnieder, Bronica etc. I run through the checks you need to make, particularly relating to the optics – haze, balsam faults, fungus, coating marks, optical alignment. 0:00 Introduction 1:15 Checking cosmetics 3:51 Checking mechanics 7:44 Checking optics 8:20 Optics - front and rear elements 13:05 Optics - misting 14:38 Optics - Schneideritis 16:15 Optics - balsam faults 17:45 Optics - fungus 20:30 Optics - focus checks and optical alignment