Photometers
Keo Scientific Arges and Arges-VF photometers are specifically designed with quantitative studies of sub-visual emissions from auroras and atmospheric airglow in mind.
Arges-VF
The Keo Arges-VF is a highly sensitive photon-counting photometer like the Arges but has a variable field-of-view. Ke...
Arges
The Keo Arges photometer is a highly sensitive photon-counting photometer with a fixed field-of-view. Keo Scientific ...
