![optics - How can I increase the flange focal distance (back focal length) of DSLR lens? - Photography Stack Exchange optics - How can I increase the flange focal distance (back focal length) of DSLR lens? - Photography Stack Exchange](https://i.stack.imgur.com/jvzLX.png)
optics - How can I increase the flange focal distance (back focal length) of DSLR lens? - Photography Stack Exchange
Is flange focal distance of a camera system measured from the front edge of the lens mount to the film plane, or the back edge of the lens mount to the film
![Termostato alloggiamento flangia del refrigerante adatto per C-max Focus Mondeo Fiesta 2001-2012 1707050 2S6G-9K478-BC | Fruugo IT Termostato alloggiamento flangia del refrigerante adatto per C-max Focus Mondeo Fiesta 2001-2012 1707050 2S6G-9K478-BC | Fruugo IT](https://img.fruugo.com/product/3/58/620609583_max.jpg)