Inspired by a discussion on a certain web forum i decided to find out how does the Canon FD 500mm f/8 Reflex lens perform on a tiny sensor of the Pentax Q. Here are the results compared with some shots taken with a Sony A7 camera (these shots below weren't cropped a bit)
Obiektyw Canon FD 500mm f/8 na Pentaksie Q || Pentax Q with a Canon FD 500mm f/8 Reflex lens
Sony A7 + obiektyw standardowy (55mm) || Sony A7 + a standard (55mm) lens
Sony A7 + Canon FD 500mm f/8 Reflex lens
Pentax Q + Canon FD 500mm f/8 Reflex lens
Sony A7 + obiektyw standardowy (55mm) || Sony A7 + a standard (55mm) lens
Pentax Q + Canon FD 500mm f/8 Reflex lens