The purpose of a lens?

**Taylor** · #1 (**permalink**) 03-17-2007, 07:20 PM

Call me a photo-loser but.. what is the reason for a lens? My Nikon S9 has a nice little zoom to it now, and I cant see why you would need anything else? What does the lens DO? Also, what digital cameras are compatable with it? Thanks for your time, even though i know you are laughing on the other side at my un-knowlegdability..

um.. yeah.. mac for life cause vistasucks

**Will** · #2 (**permalink**) 03-17-2007, 07:33 PM

A lens gathers and focuses light, without it you would have just a white photo. So the answer to your question "what is the reason for a lens" is: without a lens you wouldn't be able to see anything on your pictures

.

And for your other question why would anyone need anything else, Well.. Lets say you do sports photography (professionally) you'll need a bigger lens so you can zoom up on your subject (because you cant always be 15 feet away or whatever

) so youll need like a 200-400mm zoom lens.
But then you'll need a different lens if you want a wide angle shot of the stadium or something so you have to have like a 12-24mm zoom (wide angle)

So the only reason you would need another lens is if you cant get it from your lens.
Your camera is a point and shoot so you cant change your lens

For your last question I'm not really sure what your asking.

If you have any more questions please ask

**Taylor** · #3 (**permalink**) 03-17-2007, 08:07 PM

Thanks.. I know I'm a dumb-butt

**Will** · #4 (**permalink**) 03-17-2007, 08:08 PM

Your welcome

**Taylor** · #5 (**permalink**) 03-17-2007, 08:21 PM

Is my S9 compatible with any lenses?

**Will** · #6 (**permalink**) 03-17-2007, 08:23 PM

No, Point and shoots are not

Youd have to get a SLR for that (or DSLR if you want a digital) some DSLR's are the d40 d50 and d80

**Taylor** · #7 (**permalink**) 03-17-2007, 08:27 PM

And how much will one of those bad boys run me?

**Will** · #8 (**permalink**) 03-17-2007, 08:32 PM

I think the D40 is about 400-500 or so and then the D50 is about 600 or more maybe and then the D80 is about 1000 give and take a few

**Taylor** · #9 (**permalink**) 03-17-2007, 08:34 PM

wow.. can I get a loan for that? rofl.. LOL I could buy one from goodwill! ha

**Will** · #10 (**permalink**) 03-17-2007, 08:37 PM

If you bought it from goodwill it would probably be broken

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