Who is Qian Weichang’s eldest son?

Qian Yuankai

is an authority on Chinese cameras

Qian Weichang and Kong Xiangying have a son, Qian Yuankai, who is an authority on Chinese cameras and an expert on digital imaging. Chief engineer of Beijing Camera Factory, member of China Photographers Association, member of National Technical Committee for Camera Machinery Standardization, visiting professor of photography at Beijing Film Academy. He has been engaged in photography teaching for a long time and was once dubbed "Qian Yuankai" by the photography industry.