This is the newer version with the improved UMC coating. It is a full frame lens. This lens has only been used on three occasions since I purchased it. It is in excellent/like new condition. Lens surfaces are blemish-free. I recently broke down and purchased a Fujifilm XF 14mm F2.8 R. I backpack a lot and need smaller lenses. I will say that the Samyang, while manual, is comparable in many ways. Stopped down slightly it is quite good. $160 plus shipping, CONUS.
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