An inventor as well as a photographer, Prokudin-Gorsky patented an optical system for cameras of the simultaneous-exposure type, and it is often claimed or implied that he invented, or at least built, the camera used for his Russian Empire project.
作为一名发明家和摄影师，普羅庫金·戈斯基为同时曝光型相机的光学系统申请了专利，并且经常声称或暗示他发明或至少构建了用于他的俄罗斯帝国的相机项目。