fps versus resolution: how to choose the camera

Start with the event

How long does the phenomenon last and how many frames do you need from it? A projectile at 900 m/s crossing 30 cm lasts 0.33 ms; for 20 useful frames that takes 60,000 fps.

Then the detail

What is the smallest detail that must be measured, and in what field of view? That sets the resolution: DIC and particle tracking call for 4 Mpx; ballistics favors frame rate.

Recording time

Memory divided by (frame size × rate) gives the recording time. Use the frame rate and recording time calculator.

Available light

BSI sensors (TMX, T-Series, KT) perform better in low light; in dark labs, that decides it.

Quick table

Ballistics and combustion: TMX and T3610. DIC, PIV and biomechanics: T4040, KT1640, KT1240. Crash test: C-Series and Miro. Education and diagnostics: VEO-E 310L and VEO 1310.