Sigma 8mm f/4 EX DG lens

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Sigma 8mm f/4 EX DG
Maker Sigma Corporation
Technical data
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

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 It is a circular fisheye lens for full-frame cameras, and has been replaced by the Sigma 8mm f/3.5 EX DG.

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