All lenses from SIGMA’s new three product lines (Art, Contemporary, Sports) will qualify for this paid “Mount Conversion Service”. It enables customers to convert the mount of their current lenses, and we will change the relevant parts for a different mount and its internal core system accordingly.
Contents of Service：
1) Subject parts to change
Currently, the following lenses from those three product lines (Art, Contemporary, Sports) are eligible for this service.
[Interchangeable lenses for SLR / DSLR cameras] (As of July, 2015)
24mm F1.4 DG HSM | Art, 30mm F1.4 DC HSM | Art, 35mm F1.4 DG HSM | Art,
50mm F1.4 DG HSM | Art, 18-35mm F1.8 DC HSM | Art, 24-35mm F2 DG HSM | Art,
24-105mm F4 DG OS HSM | Art, 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary /
DC MACRO HSM | Contemporary, 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary /
DC MACRO HSM | Contemporary, 18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary /
DC MACRO HSM | Contemporary, 150-600mm F5-6.3 DG OS HSM | Contemporary,
120-300mm F2.8 DG OS HSM | Sports, 150-600mm F5-6.3 DG OS HSM | Sports
[Interchangeable lenses for Mirrorless cameras] (As of March, 2015)
19mm F2.8 DN | Art, 30mm F2.8 DN | Art, 60mm F2.8 DN | Art
Interchangeable lenses for SLR / DSLR cameras (DC / DG lens) are eligible for conversion to the following mount system.
SIGMA, SONY, NIKON, PENTAX, CANON
Interchangeable lenses for Mirrorless cameras (DN lens) are eligible for conversion to the following mount system.
MICRO FOUR THIRDS, SONY E-mount
* It is not possible to convert a lens to a mount that SIGMA has not released.
The exclusive specification, such as OS function, is subject to adjustment after converting the mount.
This is a paid service regardless of the warranty period of the product.
For further inquiry, please contact your nearest authorized subsidiary / distributor of SIGMA.
3) How long the service takes
It is dependent on countries and territories.
In Japan, it is expected to take about 2 weeks. (Please confirm it when you apply for this service.)
4) How we conduct the service
Please contact your nearest authorized SIGMA service station. For this service, it is essential to have necessary optimization and adjustment at the Aizu factory after changing the mount and the internal core system. Thus, please contact your nearest authorized service center and send your lens to our partners in respective countries.
5) Warranty Period
The warranty period after the Mount Conversion will depend on each country’s law.
We will check and ensure that the optical performance of all mount converted products retains the same using our original measurement system A1 (Aizu 1).
6) Products not eligible for the service
Tele-converter, USB DOCK and other accessory parts are not eligible for this Mount Conversion Service.