photo sharing and upload picture albums photo forums search pictures popular photos photography help login
David Kilpatrick | all galleries >> Galleries >> Sony Alpha 100 DSLR Gallery > A100intolightminus2override.jpg
previous | next
30-NOV-2006

A100intolightminus2override.jpg

To understand why this image is posted, you must examine the full EXIF. The A100, like the 7D, 5D and even like the A1, A2 and A200 EVF Minoltas is programmed to avoid catastrophic underexposure when extremely bright light shines directly into the lens. However, all these cameras over-react; the programming assumes this is an error, and you want detail in some imaginary shadows. It tells the camera 'it's not possible for the scene to be brighter than 1/125 at f/22'. This is great for keeping snow looking white, not grey, and coping with many backlit situations. It's bad when you want to see the sparkle off water. If you examine the full EXIF, you will see that I have used minus 2 override here. Minus 2? That is the exact reverse of what a traditional film camera user would have set with old-style TTL centre weighted metering. But with matrix metering, pre-programmed scene recognition, and 'intelligent' over-ride of such bright scenes by the camera - you need to do the exact reverse. If anything this shot needed more than -2, but you can't go beyond -2 on the A100. If you ever get a disastrously burned out shot of brilliant sun on water, now you know why, and what to do about it.

Sony DSLR-A100
1/1000s f/13.0 at 120.0mm iso100 full exif

other sizes: small medium original auto
comment | share