Sigma 8mm f/4 EX DG lens

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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
Filter diameter: rear (Gelatin filter)
Angle of view
Horizontal: 180
Vertical: 180
Diagonal: 180
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 It is a circular fisheye lens for full-frame cameras, and has been replaced by the Sigma 8mm f/3.5 EX DG.

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