Tan Der Chian
> Recently I had bought an AF Nikkor 75-300mm f/4.5 zoom lens.
> However, what puzzled me is that whenever I look through the lens, I
> always spot a dot in the lens. It is not quite possible that this dot is
> caused by either reflection or refraction because it's position is a
> constant regardless of angle or lighting. More interestingly, since I
> noticed this dot while I was buying the lens, I asked the salesman to
> bring me a few more of 75-300 lenses and guess what I found, even more
> dots on the other few lenses. Given Nikon's reputation in making lenses,
> it sounds not very logical that 5 lenses are defective at the same time.
> In addition, I've also taken pictures with the lens but could not spot any
> signs of a defective lens. Does anyone had similar experience and care to
> share and give any advice? Thanks In Advance.
Dust in lenses is common, and is generally harmless...
Hope This Helps
David Ruether - http://www.fcinet.com/ruether