williamkazak wrote:
What happens in TTL-BL on verticle pics, as in shooting head shot candid\'s or grab shots at an event?
With head shots TTL/BL is almsot exactly the same as TTL when it is the main light source .
I doubt a vertical shot would change since it uses the focus points especially if you are doing close up head shots as you mention . Myself and someone who is a professional photographer have done a range of tests and both come to the conclusion that TTL/BL +1/3 flash exposure yields more consistent , pleasing ,results than TTL flash - the main variable being that TTL/BL is using all the focus points while TTL is metering for the centre of the frame .
