Kalahari Blog

Adventures of a field biologist and wildlife photographer living and working in the Kalahari.


Sigma 120-300mm f/2.8 APO EX DG OS HSM Review

I will try to keep this review fairly brief as there are several more reviews and much discussion about this lens elsewhere (see this discussion: http://photography-on-the.net/forum/showthread.php?t=934592). I have put the good/bad points and a conclusion at the top for easy access.


UPDATE:  My review of sigmas newest version of the 120-300mm, the OS “Sport”.


Some pictures of the lens with my 7d attached (yes it was raining!):



Good points:

  • Good image quality wide open, amazing when stopped down even just 1-2 3rds of a stop.
  • Takes 1x and 2x teleconverters (great IQ with 1.4x)
  • Good price
  • Build Quality is good (apart from lens hood)
  • Zoom
  • Very good image stabilisation

Bad points:

  • Reliability (a massive negative for some users, not so much for others)
  • AF maybe not as great as it could be (although it’s still good)


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