A camera photographs a matt whiteboard of radiance

PHYSICS · Subjective · Fermi University Physics · Optics & Photonics · Geometrical optics and imaging · Geometrical optics and imaging

Optics and Photonics, Ch Radiometry and photometry

Problem

L = 150\ \mathrm{W\,m^{-2}\,sr^{-1}}

, treated as a distant Lambertian object, using a lens set to

f/5.6

. Find the irradiance landing on the sensor.