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Samyang SY300M-FX-S 300mm F6.3 Mirror Lens for Fuji X Mirrorless Interchangeable Lens Cameras

Product Description :
300mm Mirror Lens with F63 Aperture
Constructed of 9 elements in 9 groups
Designed for mirrorless interchangeable lens cameras
Minimum focusing distance 295 feet angle of view 54 degrees on Canon M Fuji X and Sony NEX 42 degrees for MFT