title: Flash apertures for improved specimen detail in ultra close-up photography and photomacrography.
authors.affiliation: University of Pennsylvania School of Veterinary Medicine, Philadelphia.
authors.forename: J E
authors.initials: JE
authors.lastname: Hayden
mesh_terms: D004867:Equipment Design; D007089:Image Enhancement / Q000379:methods*; D010781:Photography / Q000295:instrumentation* / Q000379:methods