55 -200mm Lens

[ygadre]

Hi All,

I am a novice user of Nikon D40. I have bought a 55 - 200 mm VR lens.
Can anyone tell me what does these numbers mean.
Any website that shares info about how these lenses work would be helpful .
Thanks,
Yogesh Gadre

 

[tirediron]

That is the focal length of the lens. A good explanation can be found here: http://photonotes.org/cgi-bin/search.pl?input=focal+length&which=d