Wikipedia

Sigma 8mm f/4 EX DG lens

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

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 It is a circular fisheye lens for full-frame cameras, and has been replaced by the Sigma 8mm f/3.5 EX DG.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

Sigma 8mm f/4 EX DG official page

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