[EMAIL PROTECTED] wrote: >Think of it like this. Your flash has only one brightness level, not like a >three way lamp in your house. It always puts out light at the same rate. >TTL simply controls how long the lamp stays on. If the object is close by, >the lamp is shut off quickly thru the marvels of electronics.
That's the part I'm interested in: How does the system know if the object is close by? > The returning >light is measured thru the lens and the camera's sensor sends the quench >signal to the flash. How could the returning light from the flash be measured through the lens? (I'm not using an LX) -- Mark Roberts Photography and writing www.robertstech.com
