Opticheskie perekladki
Movie| Title | Оптические перекладки |
| User score | 3.5 |
| Release date | Aug 1, 1946 |
| Genre | |
| Director | Ivan Nikitchenko , Vladimir Nikitchenko |
| Production country | US |
| Run time | 5 min. |
"Optical relays" - a research work, known only among film industry experts. The video is used as a textbook for students of VGIK and GITR. His full version for ordinary viewers has never been published.