sensitometer

A measuring instrument used to determine the light sensitivity of photographic film across a range of exposures.

• 🇫🇷Instrument de mesure utilisé pour déterminer la sensibilité à la lumière d'une pellicule photographique sur une gamme d'expositions.

1. Light sensitivity measurement device C2 formal technical

   An instrument used to measure the sensitivity of photographic film or other light-sensitive materials to light over a range of exposures.

   • The technician used a sensitometer to calibrate the film's ISO rating.
   • Modern sensitometers can test digital sensors as well as traditional film.
   • The results from the sensitometer showed the film had excellent low-light performance.

   🇫🇷Sensitomètre (mesure de sensibilité à la lumière)

• sensitometers plural form
• sensitometers' possessive plural form
• sensitometer's possessive singular form