Rated 4 stars because Revain asked for auto focus, image stabilization and portrait. Well, this is a lens based on older technology, so autofocus can be slow and noisy. That's not to say it's terrible, it's more of a MACRO lens, so the MF is the way to go. Now the IS feature isn't a big deal for the old A-mount, mainly because A-mount cases offer IBIS. Finally for use in portrait mode. You can use it for that purpose, but it's not really meant for that as its primary purpose. Indeed it is a 5…