What kind of zoom should a good camera have?

http://www.bolexcollector.com/cameras/p2.html

i heard one is better than the other...

i've asked a question like this before, i know. but i'm saving up for a quality camera, and i dont know what kind to get. my sister has a nice nikon, and it takes pretty good pictures. but i want a camera that can manually zoom and focus, otherwise i...

i want to start Photography. my high school offers a basic photography class. what kind of camera do you recommend. i want to take action shots (of sports and my dog etc) without them being blurry at all. also i want a good zoom. also i need it relatively...

I have a sanyo5.0 mega-pixel camera and it totally sucks when it comes to taking pictures at concerts and what not. When I take videos with it, it's good and the sound isn't bad. But when I am at shows and try to take photos, it never comes out clear...

What is the difference between optical and digital zoom? Which is the better one to use? If I go to a concert and manage to get my camera and video camera in with me, what kind of zoom do I need to get good footage. I mean as far as numbers, like 10X...

I've never taken profesional photos before, and im only 14, but im really into photography, and i want to get a good camera with zoom and all that stuff lol right now ive got an Olympus something or other, when i bought it last year they told me it was...