B00PDHXCXC Samyang VDSLR II 12mm T3.1 Ultra Wide Cine Fisheye Lens for Nikon?DSLR Cameras – Full Frame Compatible

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Full Frame Sensor Coverage with aperture range of T3.1 – T23
Dual calibrated right and left side distance an T-stop scales
Produces an Extreme Ultra-Wide 180 Degree Diagonal Fisheye View
De-Clicked (Uncoupled) and Geared Aperture and Focus Rings with Unified VDSLR II Lens System focus gear and aperture gear positions
Includes removable petal shaped lens hood, lens caps, lens pouch, instruction manual and 1 year Samyang USA warranty