> I'm looking for a 24 or 28 for my newly bought Nikon FM. I've heard that > some of the MF AIS lenses had floating glass elements, which gives additional > sharpness. If anyone has any firsthand experience with these, I'd love to > hear your impressions. Am I correct in that the 24 f2.8 AIS and 28 f2.0 AIS > are the only two in these focal lengths with this feature ? Steve, lenses with floating element (close range correction or CRC as nikon calls it) include: 15/3.5 18mm (AIS and AF only) 20/2.8 (all versions) 24/2.8 (all versions) 24/2 (all versions) 28/2 (all versions) 28/2.8 (AIS and AF-D only) 35/1.4 (all versions) 55/2.8 micro 60/2.8 micro 85/1.4 (all versions) 105/2.8 micro (all versions) 200/4 micro AF
