I have a 35/1.8 DX on my D70 but now I have a FF. How is this 35/2.0 these days? I know some people say it might even be poor. I might enjoy primes, the 35/1.4G is heaps more expensive and larger. It's not a compact lens anymore. Could be a way to dispose the 35 DX for the FF version? Cheers.