Photographer Transforms Old Monocle into a Sony a7 Lens Using 3d Printer
Using spare parts, a little bit of math, and a 3D printer; experimental photographer Mathieu Stern has created a cheap 135mm f1. 8 FE lens alternative for the Sony a7 camera. Using a monocle lens Stern was able to calculate the correct distance to bring his 135mm f1. digitalrev.com »