B00PDHXDNG Samyang VDSLR II 12mm T3.1 Ultra Wide Cine Fisheye Lens for Pentax DSLR Cameras – Full Frame Compatible

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Full Frame Sensor Coverage with aperture range of T3.1 – T24
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