Comment by noxer

I agree, modern Sony cameras and lenses have much more sophisticated tech in them than any Walkman ever had. Much smaller and more efficient too. The tech is not lost, it's just obsolete. The tiny motors used in a Walkman haven't been used in a Sony camera or lens for probably 10 years. They are loud, weak, heavy, inefficient, unreliable etc. we simply have much much better tech today.