Originally Posted by
DanK
Second, the ideal length is really a matter of taste. I do a lot of macro work and have never used anything more than 100mm, whereas Chauncey uses a 180mm. However, if you are interested in bugs, I would consider getting something in the 90-105mm range at a minimum. It's not the case that you can't do bugs with a lens < 80mm, but it is harder, and you will have a lot fewer keepers.
So it is do-able, but it is much tougher, and I now that I have a 100mm, I never use the 60 for bugs.