Focusing is fast and quiet,Smooth bokeh,Spectacular sharpness. 1 Viltrox AF 33mm F1.4 Z Lens. F1.4 large aperture. Fast and quiet focusing. The optical structure of the lens consists of 2 extra-low dispersion lenses and 2 high refraction index lenses,which combine to suppress a variety of aberrations and produce high sharpness, clarity, and color accuracy.
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