এক্সপোজারগুলির একটি সীমায় চলচ্চিত্র আলোকে সংবেদনশীলতা পরিমাপের জন্য একটি পরিমাপ যন্ত্র

sensitometer's Usage Examples:

practical sensitometer in 1880 Hurter and Driffield Josef Maria Eder – Eder–Hecht neutral wedge sensitometer Julius Scheiner – Scheiner sensitometer Emanuel.

10 degrees for stellar spectra, a wedge sensitometer and a film recorder.

The first known practical sensitometer, which allowed measurements of the speed of photographic materials, was.

sensitometer's Meaning':

a measuring instrument for measuring the light sensitivity of film over a range of exposures