Description

This handy card can assist in a  wide range of underwater monitoring and photodocumentation activities, from tracking coral growth, monitoring disease, documenting rare or small species, organizing transect data, and more. The photosurvey card includes a ruler/scale bar, white balance/color chart, and 1 cm grid on he back. Not only can it be used to record data underwater, but assists in post processing or analysis of photographs in software such as ImageJ.