Alley in Pisa, Italy

by Lars Kotthoff

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7
votes
4answers
298 views

How do I start using a hotshoe flash?

I've just been given a Sigma EF-500 DG ST flash unit. I've not really had much experience using flash. How can I get started? Are there any good learning resources?
10
votes
3answers
2k views

What is sync speed?

When referring to flash exposure, what does "max sync speed" mean?