B00JDGB6UA Rokinon 8mm f3.5 AS IF MC CSII DH Fisheye Lens with Removable Hood for Olympus and Panasonic Micro 4/3 (MFT) Mount Digital Cameras (HD8M-MFT)

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Manual focus; Aperture range of F/3.5-22
10 Elements in 7 groups (1 spherical lens)
Minimum focusing distance of 12 Inches
Includes removable hood, lens caps, lens pouch and 1 year Rokinon warranty
Features improved HD optics for sharper images