Data sheet
It is a goal of solid construction in aluminum. The focus ring rotates about 330º and is very smooth, in addition the opening ring has no stops. The lens has 15 straight opening blades so that the specular reflections and the bokeh are great. It has a hood of about 15 cm that does not serve to protect it properly. The quality of the image does not stand out for its sharpness, in open values f/4 it offers good sharpness in the center but very soft in the corners.