Software filmmakers calculators

• https://www.encorevideo.com/KillerTools/avidcalc.html
• https://www.encorevideo.com/KillerTools/telecalc.html
• https://www.cs.ucla.edu/~simonw/DoF/
• https://www.cs.ucla.edu/~simonw/fov/
• https://www.cs.ucla.edu/~simonw/sunpos/
• https://w3.one.net/~menyhert/java/tcalc/TCalc.html

Hardware timecode calculator

• https://www.calculated.com/mcfm.html