Mount Conversion Service /

The Lens Mount Conversion service, available only from SIGMA
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Mount conversion service

Sigma’s Mount Conversion Service lets you keep your favourite Sigma lenses even if you change camera systems.

How it works /

SIGMA Art, Contemporary and Sports lenses can be converted between lens mounts. For example, the 18-50mm F2.8 DC DN | Contemporary is available in three mounts: L-Mount, Sony E-mount and FUJIFILM X Mount.

Lenses can only be converted to mounts that the lens has been produced in. 
It is not possible to convert mounts on lenses that are not part of the SIGMA Global Vison line-up. 

Mount conversion cost by lens /

Converting your lens is more cost effective than buying the same lens in a new mount. Each lens that is applicable for the mount conversion service is sorted into three price tiers.


TIER 1: £105

19mm F2.8 DN | Art
30mm F2.8 DN | Art
60mm F2.8 DN | Art

TIER 2: £240

16mm F1.4 DC DN | Contemporary*
17mm F4 DG DN | Contemporary
20mm F1.4 DG HSM | Art
20mm F1.4 DG DN | Art*
20mm F2 DG DN | Contemporary
23mm F1.4 DC DN | Contemporary
24mm F1.4 DG HSM | Art*
24mm F3.5 DG DN | Contemporary
24mm F1.4 DG DN | Art*
24mm F2 DG DN | Contemporary
30mm F1.4 DC HSM | Art*
30mm F1.4 DC DN | Contemporary
35mm F1.4 DG HSM | Art
35mm F2 DG DN | Contemporary
35mm F1.4 DG DN | Art*
45mm F2.8 DG DN | Contemporary
50mm F1.4 DG HSM | Art
50mm F1.4 DG DN | Art*
50mm F2 DG DN | Contemporary
56mm F1.4 DC DN | Contemporary
65mm F2 DG DN | Contemporary*
70mm F2.8 DG MACRO | Art
85mm F1.4 DG DN | Art*
90mm F2.8 DG DN | Contemporary
105mm F2.8 DG DN MACRO | Art
16-28mm F2.8 DG DN | Contemporary
18-35mm F1.8 DC HSM | Art
18-50mm F2.8 DC DN | Contemporary
24-105mm F4 DG OS HSM | Art*
28-70mm F2.8 DG DN | Contemporary
17-70mm F2.8-4 DC OS MACRO HSM | Contemporary*
18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary*
18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary*

TIER 3: £390

14mm F1.8 DG HSM | Art*
14mm F1.4 DG DN | Art*
28mm F1.4 DG HSM | Art*
35mm F1.2 DG DN | Art
40mm F1.4 DG HSM | Art*
85mm F1.4 DG HSM | Art*
105mm F1.4 DG HSM | Art*
135mm F1.8 DG HSM | Art*
500mm F4 DG OS HSM | Sports
12-24mm F4 DG HSM | Art
14-24mm F2.8 DG HSM | Art*
14-24mm F2.8 DG DN | Art
24-35mm F2 DG HSM | Art*
24-70mm F2.8 DG OS HSM | Art*
24-70mm F2.8 DG DN | Art
50-100mm F1.8 DC HSM | Art
60-600mm F4.5-6.3 DG OS HSM | Sports*
60-600mm F4.5-6.3 DG DN OS | Sports
70-200mm F2.8 DG OS HSM | Sports
100-400mm F5-6.3 DG OS HSM | Contemporary
100-400mm F5-6.3 DG DN OS HSM | Sports
120-300mm F2.8 DG OS HSM | Sports
150-600mm F5-6.3 DG OS HSM | Sports
150-600mm F5-6.3 DG OS HSM | Contemporary
150-600mm F5-6.3 DG DN OS | Sports*

TIER 1: £105

19mm F2.8 DN | Art
30mm F2.8 DN | Art
60mm F2.8 DN | Art

TIER 2: £240

16mm F1.4 DC DN | Contemporary*
17mm F4 DG DN | Contemporary
20mm F1.4 DG HSM | Art
20mm F1.4 DG DN | Art*
20mm F2 DG DN | Contemporary
23mm F1.4 DC DN | Contemporary
24mm F1.4 DG HSM | Art*
24mm F3.5 DG DN | Contemporary
24mm F1.4 DG DN | Art*
24mm F2 DG DN | Contemporary
30mm F1.4 DC HSM | Art*
30mm F1.4 DC DN | Contemporary
35mm F1.4 DG HSM | Art
35mm F2 DG DN | Contemporary
35mm F1.4 DG DN | Art*
45mm F2.8 DG DN | Contemporary
50mm F1.4 DG HSM | Art
50mm F1.4 DG DN | Art*
50mm F2 DG DN | Contemporary
56mm F1.4 DC DN | Contemporary
65mm F2 DG DN | Contemporary*
70mm F2.8 DG MACRO | Art
85mm F1.4 DG DN | Art*
90mm F2.8 DG DN | Contemporary
105mm F2.8 DG DN MACRO | Art
16-28mm F2.8 DG DN | Contemporary
18-35mm F1.8 DC HSM | Art
18-50mm F2.8 DC DN | Contemporary
24-105mm F4 DG OS HSM | Art*
28-70mm F2.8 DG DN | Contemporary
17-70mm F2.8-4 DC OS MACRO HSM | Contemporary*
18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary*
18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary*

TIER 3: £390

14mm F1.8 DG HSM | Art*
14mm F1.4 DG DN | Art*
28mm F1.4 DG HSM | Art*
35mm F1.2 DG DN | Art
40mm F1.4 DG HSM | Art*
85mm F1.4 DG HSM | Art*
105mm F1.4 DG HSM | Art*
135mm F1.8 DG HSM | Art*
500mm F4 DG OS HSM | Sports
12-24mm F4 DG HSM | Art
14-24mm F2.8 DG HSM | Art*
14-24mm F2.8 DG DN | Art
24-35mm F2 DG HSM | Art*
24-70mm F2.8 DG OS HSM | Art*
24-70mm F2.8 DG DN | Art
50-100mm F1.8 DC HSM | Art
60-600mm F4.5-6.3 DG OS HSM | Sports*
60-600mm F4.5-6.3 DG DN OS | Sports
70-200mm F2.8 DG OS HSM | Sports
100-400mm F5-6.3 DG OS HSM | Contemporary
100-400mm F5-6.3 DG DN OS HSM | Sports
120-300mm F2.8 DG OS HSM | Sports
150-600mm F5-6.3 DG OS HSM | Sports
150-600mm F5-6.3 DG OS HSM | Contemporary
150-600mm F5-6.3 DG DN OS | Sports*
* Mount conversion service may take up to six weeks for selected mounts. SIGMA will provide an estimated turnaround time upon receiving an online repair booking. For more information, please call 01707 329999 or email support@sigmauk.com

Request a mount conversion /

Simply fill out the online repair request form, select your lens and request a mount conversion in the ‘fault description’ box. Please specify the mount you would like the lens to be converted to.

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