Zoom Camera Lens

just bought a canon xsi and its my first dSLR. when i’m adjusting the lens on this 18-55mm IS the f-sotp setting on lthe LCD also moves.
can i take a photo with a blurred background using this lens? can you pleasen help me with the settings.

I’m an amatuer at photography. I don’t understand "digital zoom" or what the difference is in varying lens sizes like "18-55mm". I just want to be able to take decent photos of the deer at the back of my property….about 100 yards away….Could you recommend a camera or what lens, zoom, etc. a camera would [...]

i got a sony alpha camera with 2 zoom lenses , 18-55mm and 70-300mm zoom lenses. now im planning to go further for the next lense.
there are a lot of options, like telephoto, wide angle etc but im not able to figure out what exactly i can buy..
i do photography of nature, potraits but [...]

The lens that comes with it is the Canon EF-S 18-55mm f/3.5-5.6 IS Lens.
I am looking at two different lenses as a second set. Which one is better zoom and quality wise?
Canon EF 75-300mm f/4-5.6 III Zoom Lens
Tamron 70-300mm f/4-5.6 Di LD Macro Autofocus Lens
Thanks!

I’m looking for a good, affordable zoom lens for my new camera to go with the 18-55mm kit lens.
sigma, tamron, canon
good image quality, affordable, good build quality
Thanks!

I’m buying a new camera, either the Nikon D60 10.2-Megapixel Digital SLR Camera & 18-55mm Lens – Black (with a Nikkon Nikkor 55-200 f/4-5.6 zoom lens)
Canon Digital Rebel XS 10.1-Megapixel Digital SLR Camera & 18-55mm Lens – Black (with a Canon 75-300mm Telephoto EF Zoom Lens f/4-f/32)
which camera is better? which extra lens is better?

this is my camera i needa better lens that zooms in ad out more than the 18-55 lens!!
Megapixels: 6.1 Megapixels
Optical Zoom: 3 X
Lens System Nikon AF-S DX 18-55mm lens
LCD Screen Size: 2.5 in
Recording Method SDHC Memory Card, MultiMediaCard, Secure Digital (SD) Card
Camera Type Digital camera – SLR

By digital camera zoom I mean such things as 1x, 7x etc, by SLR zoom I mean 18-55mm etc…