Alley in Pisa, Italy

by Lars Kotthoff

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0
votes
1answer
73 views

Inconsistent TTL results when flash used off-camera (YN565 EX II)

I've got a Yongnuo 565 EX II that meters flawlessly when attached to the hotshoe of my 60D, but is very inconsistent when used off camera and slaved to the built in flash unit. It frequently doesn't ...
8
votes
5answers
237 views

How does TTL flash work when there are multiple flashes?

I've been watching a lot of deconstructing videos on how the light is setup. Often times there are 2-3 flashes at the studio. The photographer will say that they are all set to TTL. But how does that ...
6
votes
1answer
250 views

Are there risks in using a third-party TTL cable?

I see that the cables that support TTL offered by manufacturers such as Canon and Nikon for using a flash off-camera are fairly spendy and that there are some third-party cables at a fraction of the ...
19
votes
3answers
14k views

What does TTL mean?

I'm new to photography and I see the term TTL all over the place. What does it mean? And how do I use it to make my pictures better?