THESE LENSE HAVE A UNIQUE CIRCULAR OPENING IRIS DIAPHRAGM!
The best round hole aperture shape is created by the iris diaphragm. The shape of the iris opening has a direct relation with the appearance of the blurred out-of-focus areas in an image called Bokeh.
The 50mm f2.8 is an exceptionally sharp all-around lens. The 50mm f2. It is an ideal lens for shooting portraits as it perfectly conveys the texture and plasticity of facial skin. Indispensable for all types of shooting in low light conditions. Since both lenses have an iris diaphragm, by changing the opening of the aperture then you can visually and smoothly change the depth of sharpness. This is most important for creating highly artistic works in all types of photography. Both lenses have natural color rendition of the image.
All of the rings move smoothly. The lenses are in ideal condition, clean without damage.
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