Densitometer [Alat Ukur Kerapatan Cahaya, Alat Ukur Derajat Kegelapan] Angled sighting mirror and offset leveling vials allow you to vertically sample forest canopies for a variety of coverage characteristics (e.g. canopy structure, coverage by tree size and species, and percentage of conifer/hardwood). Use to determine non-tree characteristics of sample areas (e.g. percentage of shrub/herbaceous coverage and the ground’s condition/soil type). Results are concise, objective and repeatable between observers.