I sense this topic needs a "dither fish" so I'll be that dither fish...
I own two copies each of the AF-D 28-70/3.5-4.5 and AF-D 35-105/3.5-4.5 but unfortunately I have no experience with them and IR.
These lenses were both kit lenses. Some may have had rough treatment. Sometimes mishaps don't leave obvious signs. I think I bought three of the 28-70(s) and returned one due to de-centering or misalignment so I recommend testing quickly during any return grace period. I fumbled my AF-D 35-70/2.8 while it was in an under padded Kodak Instant Camera bag. Later I found I had image smearing in the upper left quadrant that persists until about f/5.6~f/6.3. The lens looks mint though it best use is a paperweight.
The price I paid ranged from $80.00 to $105.00 (USD). I use protection filters on some lenses and not on others. Given the price paid I figured it didn't make senses to buy expensive filters and buying a second copy made more. I use a Nikon HN-3 aluminum lens hood on each and a Tupperware #G tumbler cap as a lens hood. The Tupperware caps were recommended by the Nikon School long ago.
I hope soon those with IR experience with these lenses come out from hiding.
Dave
