On the left is the 70-300mm f/4.5~5.6 AF-S G Nikkor; on the right is the 300mm f/4.5 ED~IF NIKKOR.

Uploaded to TPF on 2014_0415 in this thread http://www.thephotoforum.com/forum/nikon-lenses/356712-nikkor-ai-s-lenses-post-your-experiences-them-all-them.html