TTArtisan AF 56mm F1.8 Auto Focus APS-C Lens (Black)Specifications:APS-C format STM stepper motor Golden focal length for portraits f/1.8 large aperture, wide open sharp display Minimum focusing distance of 0.5m 9 aperture blades 52mm filter size Support eye recognition focusing ED lenses suppress dispersion Made of all metal Comes with a square metal lens hood Focal length 56mm Maximum aperture F1.8 The minimum focusing distance is 0.5m Minimum aperture F16 Format: APS-C format Aperture blades 9 pieces Filter size 52mm Optical structure: 10 elements in 9 groups Viewing angle 28° Focus method: Automatic Weight: Approx. 233~245g
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