Photophys.com: The Science of Photography

A good experience with the Sigma 105mm macro lens

Comments[0] 12:19PM May 18, 2010 by Charles in Lenses

I have been a happy user of Sigma lenses (Canon mount) for several years.  I currently have the following Sigma lenses: 105mm macro, 150mm macro, 15mm fisheye, and 10mm fisheye.  The 105mm lens is compact and light, and I tend to take it on travels instead of the 150mm lens.

A couple of weeks ago I discovered that the 105mm lens would no longer work in the AF mode with any of my cameras.  I shipped it (by UPS) to Sigma in Ronkonkoma, NY, for repair and did not bother to include any information about the warranty since the lens is seven years old.  A couple of days later I received a repair order number.  When I called Sigma to inquire about the status of the order, I was told that the lens had already been repaired at no charge and had been shipped back to me.  Sure enough, I received the lens with a one week turn around time, and it appears to be fine.  The packing slip shows that the AF belt was replaced at no charge.

 Needless to say, I am very pleased with the support of the 105mm lens by Sigma.  By the way, I used this lens in a series of experiments with various accessories that are reported in  Appendix E of SCP.  If you happen to use the table in that appendix, note that the rows should have been numbered.  The row numbers correspond to the numbers in Fig. E.1.

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