Howdy! Never getting enough to understand the camera. One of the main worldwide companies shares educatinal video. The video explaines why the value of DSLR (Digital single-lens reflex camera) is so big.

It is a masterpiece, which includes physics, chemistry, design and...

Photographer, have you ever wondered why equipment is so expensive? How lenses are made so precisely? 

As we know, glass is made from liquid sand, which is heated in a high temperature. Nowadays it looks as usual thing. But have you ever wondered how lens are fitte...