Buy from Amazon.com : http://fave.co/1x0hK1R <br /><br />Rokinon 300M-MFT-BK 300mm F6.3 Mirror Lens for Olympus Pen and Panasonic Interchangeable Lens<br /><br />Product Description : <br />300mm Mirror Lens with F63 Aperture <br />Constructed of 9 elements in 9 groups <br />Designed for mirrorless interchangeable lens cameras <br />Minimum focusing distance 295 feet angle of view 54 degrees on Canon M Fuji X and Sony NEX 42 degrees for MFT
