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Senna4ever · 07-19-2009, 11:03 AM

Sigma has very bad quality control & service. Sigma has up to a 20% return/exchange rate due to softness, back focusing or front focusing. One lens would be super sharp, but the one sitting next to it on the shelf would be soft or have focusing issues. They also have a high failure rate compared to the lenses from the major manufacturers...again up to 20%, compared to Canon, Nikon, Sony, Pentax which seem hover around 6%.

Sigma service also is pretty bad. It can take up to 4 months to get lenses back from repair. Canon & Nikon can have a faulty lens back to you in a matter of a few weeks, even faster if you have a CPS or NPS number.

07-19-2009, 11:03 AM	#464
Senna4ever VLS Moderator Join Date: Feb 2003 Location: Vancouver Posts: 16,351 Thanked 2,591 Times in 832 Posts Failed 61 Times in 19 Posts	Sigma has very bad quality control & service. Sigma has up to a 20% return/exchange rate due to softness, back focusing or front focusing. One lens would be super sharp, but the one sitting next to it on the shelf would be soft or have focusing issues. They also have a high failure rate compared to the lenses from the major manufacturers...again up to 20%, compared to Canon, Nikon, Sony, Pentax which seem hover around 6%. Sigma service also is pretty bad. It can take up to 4 months to get lenses back from repair. Canon & Nikon can have a faulty lens back to you in a matter of a few weeks, even faster if you have a CPS or NPS number. __________________ 2007 Volvo V50 Taken by ex: 2005 Toyota Prius. R.I.P. 1997 Lexus ES300. R.I.P. 1989 Acura Legend Coupe LS.