Talk:Flash (photography)

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Need an explanation for the guide number and for the different kinds of metering (TTL, ...).

I think the section on technique needs to be improved a huge amount. Flash isn't the only technique available, and it does not increase the efficiency of the flash - if anything it REDUCES the efficiency as it needs to be spread over a wider area! Tiberius47 06:51, 21 November 2006 (UTC)

Needs a history section - was trying to find when it was invented but no info at all. I dont have any photo history references alas. Justinc 21:22, 20 June 2007 (UTC)