bouncing flash behind me – what am I bouncing off?
I’ve had a fair number of people writing in to tell me that they don’t quite understand what I am bouncing the flash off when I bounce behind me into an open room.
What is happening there, is that I am usually at a wide f-stop and a fairly high ISO – something like f2.8 and 800 ISO. This usually means that ANY light that bounces back from various objects in a room, will register in the image. The light from the strobe bounces back from furniture, other objects, part of the ceiling, some of the walls to the side. You’re in effect just flooding the entire place with light from your strobe – and at f2.8 it will register. Obviously it depends on the size of the room, etc. But just try it. :-)
Especially when you are using flash to augment the available light – you simply don’t need a lot of flash to have some effect.
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