John Whittingham mused: > > Any opinions on the Sigma 135-400 APO consumer zoom, took a chance on one on > eBay, price was too good to pass up :} > > John
>From what I recall, they're probably the "best in class" for consumer grade long telephoto zooms (the 170-500 from around the same period isn't reputed to be quite as good). Definitely worth buying at any reasonable price point.
