Reviews written by Iosto Doneddu

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Iosto Doneddu
www.juzaphoto.com/p/IostoDoneddu

Reviews of cameras, lenses, tripods, heads and other accessories written by Iosto Doneddu

The following opinions have been automatically translated with Microsoft Translator.

Sigma 150-500mm f/5-6.3 DG OS HSM

Pros: Low cost; stabilizer; Good yield and definition to f8 and from 150 to 400. Weight compared to fixed lenses; versatile.

Cons: A little soft from 400 to 500, with 2X doubler can not be used for autofocus loss and net loss of definition, with 1.4 lost a lot of quality. Stabilizer is not very efficient, fast autofocus, lens hood a little leggerino

Opinion: I've used it for about two years with the 40 D and then with the 7D. It's fine for short distances 15-20 m for birds, and great for large mammals in 40 50 m I used it for deer with excellent results from the maximum f 8 ISO> 400 with the 7D and fcale by 1400 , then loses a bit in sharpness. With a proper PP without exceeding great satisfaction. I highly recommend it to those who begin to approach nature photography, and do not want to spend substantial amounts of money, and as a second lens to be attached to a disk. I think it would take in a safari attached to the 300 f2, 8 and 600 f 4. Is not comparable to fixed lenses for sharpness.

sent on October 25, 2011