Mount Conversion Service

Only Sigma lenses from our new three product line (Contemporary, Art and Sports) will be eligible.

No. The function of the lens will be the same as it was upon original release.

Yes, as long as the lens in the requested mount has been released by Sigma as a product.

No. The serial number will remain the same as the original lens.

Each product will be handled according to their specifications, i.e., 17-70mm F2.8-4 DC Macro; a Canon mount is to be changed to Sony, it will be non-OS with a different switch part.

Please contact Sigma America Service dept. via email at Info@sigmaphoto.com or by phone: 631-227-2036. Outside of the U.S. please contact your nearest country representative directly: http://www.sigma-photo.co.jp/english/network/index.html.

We will support lenses for 5 years after they have been discontinued.

Please allow 2 to 4 weeks for the mount conversion service to be completed.

This is a paid service regardless of warranty. Please refer to Service and Support page for pricing.

Until further notice all serviced will be managed and completed by Sigma in Japan.

We will exchange that part with a part reflecting the same serial number. If for any reason the serial number does need to be changed, we will advise you in advance.

Data including ones adjusted at service center will all be reset and the lens will be initialized.

Yes, please request the service again, and we will proceed with another mount conversion as a new request with a new charge.

Please be assured that mount conversion will be completed on the basis of the measuring system and concept exactly as it is with our three new product lines.

Yes, this is a service offered worldwide.

It depends on each country’s standard for repair that contains parts exchange.

The warranty for this service is 6 months and if you are within your 4 year warranty, you can continue the remaining time of your original warranty. If your warranty is expiring in less than 6 months and you are planning to receive this service, the remaining balance of the “6 month mount conversion warranty” will be added to your original warranty.

No, we will only replace the key components and mount part of your lens. Optimization will be performed so that you can use it on your new camera.