When I see flash duration in specifications, how does it affect my photos? What can a fast flash duration do that a slow fast duration can't do? Thanks!

I've discovered that my Sunpak 383 flash won't work automagically with my Nikon D70s since they don't talk much with each other. That's not great, but I can revert to manual mode o …

You will have notice it but you take the picture you can of a person and on the end you end up with blood tursty eyes lol kidding but anyways why does it happen?

I am going to Maldives and would like to take some underwater photos while snorkeling. I don't have experience with underwater photography. I have a Canon Powershot A710IS camera a …