Venus Optics has announced the pricing and availability of its Laowa 4mm F2.8 Circular Fisheye lens for Micro Four Thirds (MFT) camera systems.

When placed on a MFT camera, the 4mm F2.8 features an 8mm 35mm equivalent focal length and features a whopping 210º field of view. This means a full 360º image can be captured and stitched together with plenty of room to spare using just two photos.
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https://www.dpreview.com/news/2585315253/venus-optics-announces-4mm-f2-8-lens-with-210-fov-for-mft-camera-systems