title: A note on the accuracy of inexpensive light meters for measuring luminous transmittance.
authors.forename: G
authors.initials: G
authors.lastname: Smith
authors.forename: S E
authors.initials: SE
authors.lastname: Jenkins
mesh_terms: D005139:Eyeglasses; D006801:Humans; D008027:Light; D015203:Reproducibility of Results; D013056:Spectrophotometry, Ultraviolet / Q000592:standards*