pinner said: DSLR always direct anyone asking me about my camera (and how to use it) to this site. Its all explained so simply, and taught me how to start using my DSLR. My sister printed it out and keeps it as a reference in her camera bag.
How to Calculate Long Exposures in Night Photography? If we are accustomed to taking our photos of the day or at least in places duly lit, probably we never used exposure times slower than a few seconds.
Night photography cheat sheet - I guess this could be useful since the light meter isn't a lot of help at night. But I don't know why they give the exposure lengths with four different ISO variants - if you're doing night photography you probably know tha