FAJ 18-35 vs. FA 20-35?

[Heiko Hamann]

Hi,

has anyone already compared theese lenses (esp. the optical results)? I  
wonder if it makes sense to buy the *istD-kit or to save the money for  
the 18-35 and get an 20-35 which is better built and has an aperture  
ring...

Cheers, Heiko