Monday, July 22, 2013

A99 & A77: Same Settings, Different Exposures


Also in this issue:
  • A Death in the Family
  • How I Shot This Really Annoying Sculpture
  • Rescheduled Seminars 

A99 & A77: Same Settings, Different Exposures 


It started out innocently enough.  Here I was, photographing a science experiment we found in the pantry one night (a potato that decided to start sprouting) and so I thought I'd document it in the studio and go for some dramatic light.  I used just one flash on the right, set to manual output.  An early shot can be seen above.  (As always, click on any image to see a larger version.)

"The depth-of-field is too shallow" I said to myself.  "The front leaves are very sharp; but the back ones 4 inches back are too fuzzy".  And so I switched from an A99 to an A77, knowing that the smaller sensor will give about 1.5 stops' worth of increased depth-of-field for the same composition.  I carefully set up the camera so all the settings were identical, and took a similarly-composed shot: