thats a cool list. My 16-35mm is only really good at f/5.6, but thats on FF. it's quite rubbish at 2.8
it's a pity he hasn't tried the 35 1.4 which spanks the socks off the 16-35 and the 35/2.
I'm dying to try my 200/1.8 astro wise on an equatorial , just been lazy
