If the producers didn't want to guarantee a minimum focusing distance significantly shorter than the distance of other rivals the tested lens practically didn't have to feature any focus ring at all. Even at the maximum relative aperture setting that ring at just 0.5 of a meter means you'll enjoy sensibly sharp images from 0.3 of a meter to infinity. Of course with more densely packed sensors that tolerance might be lower but even there you can find such a fixed position where everything from about 0.5 of a meter to infinity is going to be sharp.
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Still the producer decided to provide a ring with a useful distance and DOF scale; as you can notice, the majority of the working range of that ring covers distances from 0.12 to 0.5 of a meter. It means that, in typical uses, the ring can be set right before the infinity sign and then you can forget about it.
