I was wasting a little time today and came across this mirror lens marketed as a m4/3 lens: http://www.amazon.com/gp/product/B0...=1789&creative=390957&creativeASIN=B0036Z1U5U
So, with the minuses of a mirror design, here is a lens that may work as a birding lens?
Niels
So, with the minuses of a mirror design, here is a lens that may work as a birding lens?
Niels