David Boston Photography
Sam listens to the discussion of microscopic metallurgic examination
Canon EOS 7D Mark II, EF-S18-135mm f/3.5-5.6 IS STM, 135 mm, ISO 6400, 1/80 sec at f / 5.6, © 2015, David W. Boston
Sam listens to the discussion of microscopic metallurgic examination
Canon EOS 7D Mark II, EF-S18-135mm f/3.5-5.6 IS STM, 135 mm, ISO 6400, 1/80 sec at f / 5.6, © 2015, David W. Boston