susanpettit's reviews

Tamron 200-500mm f/5-6.3 Di LD IF SP AF

I own Bigma and Tamron 200-500. Use with Canon 5D. CS3 records that Tamron is 200-486.

I did tests to see if whether Tamron or Bigma is of longer zoom. Tripod, focus on same subject. Very obviously, if Tamron is 486mm, Bigma at the very most is 450mm, a good chance even shorter at 440mm.


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