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 …

on my EOS 400d there is a setting called bulb; the shutter opens when you push the button down and closes when you take your finger off. If you hold your finger down for 20 mins th …