What constitutes the quality difference in lenses with exactly the same specifications but different brand names?
Example: I wish to purchase a lens with the fixed maximum aperture of f/2, and some other features. If I get the exactly same specifications in Tamron and Nikon, on what basis should I decide which ...
A while back when I was buying my D90 (like many others) I picked up an 18-55mm VR/55-200mm VR kit for my hello into photography. These are still the only two lenses and I have gotten a lot out of ...
I have a Nikon 18-200 VR which I think is great. I often use the 200mm part of it so I'm thinking of an even more extreme superzoom, but I'm not familiar with other lenses than Nikon, but I have been ...