Wideangle Fisheye Prime lenses for Sigma SD9
The Sigma SD9 utilizes the Sigma SA mount & has a APS-C sized sensor. At the moment, we have information on 4 Wideangle Fisheye Prime lenses that will suit the SD9.
The SD9 has a crop factor of 1.7 so you need to multiply the lens focal length with 1.7 to see it's full frame equivalence. You can click on the 
icon to view how the lens fits the SD9.
We have also designed an Advanced Lens Search so you are able to uncover your ideal lens.
ModelVisualizeFocal LengthApertureStabilizedWeight
Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye5mmf/2.8 470g
Sigma 10mm F2.8 EX DC HSM Diagonal Fisheye10mmf/2.8 475g
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Sigma 15mm F2.8 EX DG Diagonal Fisheye15mmf/2.8 370g
Sigma 8mm F3.5 EX DG Circular Fisheye8mmf/3.5 400g