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Title: Sigma 150mm f2.8 EX DG HSM IF macro in 4/3rds mount
Review: This is a very sharp macro lens that allows a good working distance from the subject. A bit front heavy on my Olympus E510 and may require a tripod for full 1:1 indoor macro shots, but overall I'm quite pleased with its performance as both a macro and a telephoto. The focus limiter switch also cuts down on the hunt time, which can be rather long telephoto macro lenses.
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