David Boston Photography
Sam examines a sample under the microscope
Canon EOS 7D Mark II, EF-S18-135mm f/3.5-5.6 IS STM, 56 mm, ISO 4000, 1/160 sec at f / 5.6, © 2015, David W. Boston
Sam examines a sample under the microscope
Canon EOS 7D Mark II, EF-S18-135mm f/3.5-5.6 IS STM, 56 mm, ISO 4000, 1/160 sec at f / 5.6, © 2015, David W. Boston