Sigma 8mm f/4 EX DG lens

Sigma 8mm f/4 EX DG
Key features
Maker: Sigma Corporation
Unique features: circular fisheye
Technical data
Focal length: 8mm
Construction: 6 groups / 10 elements
# Diaphragm blades: 5
Physical
Filter diameter: rear (Gelatin filter)
Accessories
Angle of view
Horizontal: 180
Vertical: 180
Diagonal: 180
History
Replaced by: Sigma 8mm f/3.5 EX DG
Retail info

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 It is a circular fisheye lens for full-frame cameras, and has been replaced by the Sigma 8mm f/3.5 EX DG.

External links

DC Lenses
(Crop-sensor DSLRs only)

4.5mm F2.8 EX DC Circular Fisheye HSM | 8-16mm f/4.5-5.6 DC HSM | 10mm F2.8 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 | 18-50mm f/2.8 EX DC Macro | 18-50mm F2.8-4.5 DC OS HSM | 18-50mm F3.5-5.6 DC | 18-125mm F3.8-5.6 DC OS HSM | 18-200mm F3.5-6.3 DC | 18-250mm F3.5-6.3 DC OS HSM | APO 50-150mm F2.8 EX DC HSM | 55-200mm F4-5.6 DC
Wide-Angle Zoom

12-24mm F4.5-5.6 | 17-35mm 1:2.8-4 EX DG ASPHERICAL HSM
Standard Zoom

28-70mm F2.8 EX DG | 28-70mm F2.8-4 DG | 28-300mm DG | 24-70mm 1:2.8 EX DG HSM
Telephoto Zoom

50-500mm F4-6.3 DG | APO 70-200mm F2.8 II EX DG MACRO HSM | 70-300mm f/4-5.6 APO DG Macro | 100-300mm F4 EX DG HSM | 120-300mm F2.8 EX DG HSM | APO 120-400mm F4.5-5.6 DG OS HSM | APO 150-500mm F5-6.3 DG OS HSM | 200-500mm f/2.8 EX DG | 300-800mm F5.6 EX DG HSM
Wide-Angle Prime

20mm F1.8 EX DG | 24mm f/1.8 EX DG | 28mm F1.8 EX DG | 14mm 1:2.8 EX HSM RF ASPHERICAL
Standard Prime

50mm f/1.4 EX DG HSM | 85mm f/1.4 EX DG HSM
Super Telephoto Prime

300mm f/2.8 EX DG HSM | 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
Macro Prime

50mm F2.8 EX DG | 70mm F2.8 EX DG | 105mm F2.8 EX DG | 150mm f/2.8 APO Macro EX DG HSM | 180mm F3.5 EX DG