Sigma 8mm f/4 EX DG lens

The Sigma 8mm f/4 EX DG is a photographic lens made by the Sigma Corporation. It is a circular fisheye lens for full-frame cameras, and has been replaced by the Sigma 8mm f/3.5 EX DG.

Sigma 8mm f/4 EX DG
Technical data
Maker	Sigma Corporation
Focal length	8mm
Diaphragm blades	5
Construction	10 elements in 6 groups
Features
Unique features	circular fisheye
Physical
Filter diameter	rear (Gelatin filter)
Angle of view
Horizontal	180
Vertical	180
Diagonal	180
History
Successor	Sigma 8mm f/3.5 EX DG

External links

Sigma 8mm f/4 EX DG official page

Sigma lenses
Wide-Angle Zoom	12–24mm f/4.5–5.6 12–24mm f/4 DG HSM Art 17-35mm f/2.8-4 EX DG ASPHERICAL HSM 24-35mm f/2 DG HSM Art
Standard Zoom	28-70mm f/2.8 EX DG 28-70mm f/2.8-4 DG 28-300mm DG 24-70mm f/2.8 EX DG HSM
Telephoto Zoom	50-500mm f/4-6.3 DG 60-600mm f/4.5-6.3 DG APO 70-200mm f/2.8 II EX DG MACRO HSM 70-200mm f/2.8 EX DG OS HSM 70-300mm f/4-5.6 APO DG Macro 100-300mm f/4 EX DG HSM 120-300mm f/2.8 EX DG HSM 120-300mm f/2.8 DG OS HSM S APO 120-400mm f/4.5-5.6 DG OS HSM APO 150-500mm f/5-6.3 DG OS HSM APO 150-600mm f/5-6.3 DG OS HSM C APO 150-600mm f/5-6.3 DG OS HSM S 200-500mm f/2.8 EX DG 300-800mm f/5.6 EX DG HSM
Wide-Angle Prime	14mm f/2.8 EX HSM RF ASPHERICAL 20mm f/1.4 DG HSM Art 20mm f/1.8 EX DG 24mm f/1.4 DG HSM Art 24mm f/1.8 EX DG 28mm f/1.8 EX DG 35mm f/1.4 DG HSM A
Standard Prime	50mm f/1.4 EX DG HSM 50mm f/1.4 DG HSM A 85mm f/1.4 EX DG HSM
Macro Prime	50mm f/2.8 EX DG 70mm f/2.8 EX DG 105mm f/2.8 EX DG 150mm f/2.8 APO Macro EX DG HSM 180mm f/3.5 EX DG 180mm f/2.8 APO Macro EX DG HSM
Super Telephoto Prime	300mm f/2.8 EX DG HSM 500mm f/4.0 DG OS HSM Sports 500mm f/4.5 EX DG HSM 800mm f/5.6 EX DG HSM
Distorting lenses	8mm f/3.5 EX DG circular fisheye 8mm f/4 EX DG circular fisheye
DC Lenses (crop-sensor DSLRs only)	4.5mm f/2.8 EX DC Circular Fisheye HSM 8-16mm f/4.5-5.6 DC HSM 10mm f/2.8 EX DC Fisheye HSM 30mm f/1.4 EX DC HSM 10-20mm f/3.5 EX DC HSM 10-20mm f/4-5.6 EX DC HSM 17-50mm f/2.8 EX DC OS HSM 17-70 f/2.8-4 DC MACRO 18–35mm f/1.8 DC HSM A 18-50mm f/2.8 EX DC Macro 18-50mm f/2.8-4.5 DC OS HSM 18-50mm f/3.5-5.6 DC 18-125mm f/3.8-5.6 DC OS HSM 18-200mm f/3.5-6.3 DC 18-200mm f/3.5-6.3 DC OS 18-250mm f/3.5-6.3 DC OS HSM 18-250mm f/3.5-6.3 DC Macro OS HSM 18–300mm f/3.5–6.3 DC OS HSM Macro C 50–100mm f/1.8 DC HSM A APO 50-150mm f/2.8 EX DC HSM 55-200mm f/4-5.6 DC
DN Lenses (MILC only)	19mm f/2.8 EX DN 30mm f/2.8 EX DN

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