Gustav Kiburg has done an extensive test between these two lenses, posted in a Dyxum.com forum thread:
It’s well worth checking out.
Today I took delivery of a Sony 70-300mm f/4.5-5.6 G SSM lens. There is no doubt this is the best built Sony SAL lens I’ve handled (the CZ 135mm 1.8, 85mm f1.4 are a class above again). It weighs over 800g with its lens-hood, which is one of the most efficient deep tele hoods I’ve seen. Continue reading »