Originally Posted by Alan Gales
Are you a one lens kind of guy or do you plan on owning 2 or more lenses? The reason I ask is that the C and CT lenses use different size filters. It would be nice to own all C or CT lenses.
Chris is right about the 100mm. It's sharper than the 80mm but more expensive.
Correction. I meant C and CF lenses use a different filter. Sorry!