I find them a little sharper and a little smoother than Astras - with slightly better longevity.
I find Feathers a tiny bit sharper, but considerably less forgiving. Also the Feathers are considerably more expensive - especially when factoring in the better Blue longevity.
I find Feathers a tiny bit sharper, but considerably less forgiving. Also the Feathers are considerably more expensive - especially when factoring in the better Blue longevity.