By department · 1st AD
Two clocks run on a film unit.
The day, and the magazine. A board built only against the first will keep colliding with the second, and the collisions always happen at the worst moment in the scene.
Everything below comes out of that.
How the day changes
Five practical differences.
Build the board in magazine-sized blocks
About eleven minutes of 35mm to a thousand-foot magazine. Group setups so that reloads fall between them rather than inside a performance, and the two clocks stop fighting.
The run-out call is yours to use
The loader calls remaining footage. You are the person who decides, with that number, whether the next take happens now or after a change. Treat the call as information for the floor, not chatter.
Rehearsal is a scheduled item
Not a courtesy squeezed in if there is time. On film it is the mechanism that protects the stock line, so it goes on the call sheet with the cast availability to make it real.
Gate checks take time and they are not negotiable
After a printed take, the gate is checked. Build it in. A unit that treats the gate check as an interruption will eventually skip one and find out at the lab.
Mag changes are usable time
A lighting tweak, a note, a reset. The best film units run those in parallel with the change. The worst stand and wait, then blame the format.
Saying it on the day
Make sure everyone means the same thing by “cut”.
On digital, cut is punctuation. On film it stops a meter. If half the floor thinks it is one and half the other, you will lose stock every single day and nobody will be able to point at where. Worth thirty seconds in the first-day briefing.
