This is a depth of field calculator adapted to Sony Alpha DSLR. If you have full frame A900 or A850 you can use the application right after the installation. For crop sensor models you need to open the settings pane and change Full frame switch to off.
You can limit ranges of focal length and aperture for a more convenient way of calculation.
Joanne Carter BA (Hons), ARPS is a British photographer, photography journalist, editor and curator, and the founder and editorial director of TheAppWhisperer.com, an independent international photography publication established in 2009.She holds a First Class Honours degree in Photography and is an Associate of the Royal Photographic Society (ARPS).Her journalism, criticism and editorial work have appeared in The Times, The Sunday Times, The Guardian, Financial Times, BBC, Vogue Italia, LensCulture, Popular Photography and NikonPro, among other international publications.Through TheAppWhisperer, she brings together academic knowledge, professional photographic expertise and more than 17 years of specialist editorial experience to examine contemporary photography, mobile imaging, computational photography, photographic applications and emerging imaging technologies.