"Gordon MacPherson" a écrit dans le
message de fm2bq6$5bt$1@frank-exchange-of-views.oucs.ox.ac.uk...
> Thinking about a "big" telephoto (500mm) for my Canon 350d - largely for
> birding. Any thoughts on the Sigma 170-500mm F5.6-6.3 DG APO, or the
> Tamron AF 200-500mm F5-6.3 Di LD.
Think about the Canon 300mm f4 L IS combined with a 1.4x Canon
teleconverter, a bit shy of 500mm at 420mm combined BUT excellent quality
and you get image stabilisation, not to mention lack of possible
compatibility issues when you change to a different camera body.
Jean
>> Stay informed about: ""Final"" (ha-ha) lens