Company Website: https://www.sigma-global.com/en/cine-lenses/
Duclos Page: https://www.ducloslenses.com/pages/sigma
Sigma Corp. is a Japanese company, manufacturing cameras, lenses, flashes and other photographic accessories. All Sigma products are produced in the company's own Aizu factory in Bandai, Fukushima, Japan. Although Sigma produces several camera models, the company is best known for producing high-quality lenses and other accessories that are compatible with the cameras produced by other companies.

Sigma Cine 14mm T2.0
Sigma Cine 20mm T1.5
Sigma Cine 24mm T1.5
Sigma Cine 28mm T1.5
Sigma Cine 35mm T1.5
Sigma Cine 40mm T1.5
Sigma Cine 50mm T1.5
Sigma Cine 65mm T1.5
Sigma Cine 85mm T1.5
Sigma Cine 105mm T1.5
Sigma Cine 135mm T2.0

Sigma Cine Classic 14mm T3.2
Sigma Cine Classic 20mm T2.5
Sigma Cine Classic 24mm T2.5
Sigma Cine Classic 28mm T2.5
Sigma Cine Classic 35mm T2.5
Sigma Cine Classic 40mm T2.5
Sigma Cine Classic 50mm T2.5
Sigma Cine Classic 65mm T2.5
Sigma Cine Classic 85mm T2.5
Sigma Cine Classic 105mm T2.5
Sigma Cine Classic 135mm T3.2

Sigma Cine Zoom 18-35mm T2.0
Sigma Cine Zoom24-35mm T2.2
Sigma Cine Zoom 50-100mm T2.0

Sigma ART DG DN 14mm f/1.4
Sigma ART DG HSM 14mm f/1.8
Sigma ART DG DN Diagonal Fisheye 15mm f/1.4
Sigma ART DG DN 20mm f/1.4
Sigma ART DG HSM 20mm f/1.4
Sigma ART DG DN 24mm f/1.4
Sigma ART DG HSM 24mm f/1.4
Sigma ART DG HSM 28mm f/1.4
Sigma ART DC HSM 30mm f/1.4
Sigma ART DG DN 35mm f/1.2
Sigma ART DG DN 35mm f/1.4
Sigma ART DG HSM 35mm f/1.4
Sigma ART DG HSM 40mm f/1.4
Sigma ART DG DN 50mm f/1.2
Sigma ART DG DN 50mm f/1.4
Sigma ART DG HSM 50mm f/1.4
Sigma ART DG Macro 70mm f/2.8
Sigma ART DG DN 85mm f/1.4
Sigma ART DG HSM 85mm f/1.4
Sigma ART DG DN Macro 105mm f/2.8
Sigma ART DG HSM 105mm f/1.4
Sigma ART DG HSM 135mm f/1.8

Sigma ART DG HSM 12-24mm f/4
Sigma ART DG HSM 14-24mm f/2.8
Sigma ART DG DN 14-24mm f/2.8
Sigma ART DC HSM 18-35mm f/1.8
Sigma ART DG HSM 24-35mm f/2
Sigma ART DG DN 24-70mm f/2.8
Sigma ART DG DN II 24-70mm f/2.8
Sigma ART DG OS HSM 24-70mm f/2.8
Sigma ART DG OS HSM 24-105mm f/4
Sigma ART DG DN 28-45mm f/1.8
Sigma ART DC HSM 50-100mm f/1.8

Sigma DG OS HSM 500mm f/4
Sigma DG DN OS 500mm f/5.6
Sigma DG OS HSM 60-600mm f/4.5-6.3
Sigma DG DN OS 60-600mm f/4.5-6.3
Sigma DG OS HSM 70-200mm f/2.8
Sigma DG DN OS 70-200mm f/2.8
Sigma DG OS HSM 120-300mm f/2.8
Sigma DG DN OS 150-600mm f/5-6.3

Sigma DC DN 16mm f/1.4
Sigma DG DN 17mm f/4
Sigma DG DN 20mm f/2
Sigma DC DN 23mm f/1.4
Sigma DG DN 24mm f/2
Sigma DG DN 24mm f/3.5
Sigma DC DN 30mm f/1.4
Sigma DG DN 35mm f/2
Sigma DG DN 45mm f/2.8
Sigma DG DN 50mm f/2
Sigma DC DN 56mm f/1.4
Sigma DG DN 65mm f/2
Sigma DG DN 90mm f/2.8

Sigma DC DN 10-18mm f/2.8
Sigma DG DN 16-28mm f/2.8
Sigma DC DN 18-50mm f/2.8
Sigma DC Macro OS HSM 18-200mm f/3.5-6.3
Sigma DC Macro OS HSM 18-300mm f/3.5-6.3
Sigma DG DN 28-70mm f/2.8
Sigma DG OS HSM 100-400mm f/5-6.3
Sigma DG DN OS 100-400mm f/5-6.3
Sigma DG OS HSM 150-600mm f/5-6.3

Michihiro Yamaki
Kazuto Yamaki

The company was founded by Michihiro Yamaki.

Founding member of The L-Mount Alliance, along with Leica and Panasonic.

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