Joosep
Well-known
I need some info.
Back in the day, operators had these small frames dangling around their neck. If one would pull it up, he would have seen a certain "focal lenght". The size of the frame and the lenght of the string made sure of that.
What are these frames called ?
Cant find it........
Back in the day, operators had these small frames dangling around their neck. If one would pull it up, he would have seen a certain "focal lenght". The size of the frame and the lenght of the string made sure of that.
What are these frames called ?
Cant find it........