Thanks John! G
On Apr 12, 2007, at 1:52 PM, John Whittingham wrote: > I've had the Sigma 135-400 APO, while not in the same league as the > 50-500 it > really is quite a good lens. My main gripe with the lens was the > amount of > extension and weight transferral when zoomed, it's at least as good > as the 70- > 300 APO Sigma, which I also had for some time. I believe the 50-500 > does not > change length when zoomed, it's definitely a different class of lens. > > I sold the 135-400 when I bought the 70-200/2.8 APO, which I use in > conjunction with a 300/4 APO prime and two EX converters. > Effectively the 70- > 200 + 2x EX covers the 135-400 range I had previously with very > acceptable > results. -- PDML Pentax-Discuss Mail List [EMAIL PROTECTED] http://pdml.net/mailman/listinfo/pdml_pdml.net
