Photometric Measurements: Measuring Illuminance with the PD300-CIE
2:21
Introduction to photometric measurements - finding photometric centre
2:04
Understanding polar curves of luminous intensity
In astronomy, a photometric system is a set of well-defined passbands, with a known sensitivity to incident radiation. The sensitivity usually depends on the optical system, detectors and filters used. For each photometric system a set of primary standard stars is provided.