Laowa 58mm f/2.8 2X Ultra Macro APO is a mirrorless-designed macro lens with a 40.9° angle of view on full frame sensors. It features an apochromatic (APO) characteristic that chromatic aberration at both in-focus and out-of-focus' is compressed to a minimum. Like many other Laowa macro lenses, this lens is able to focus from 2:1 magnification to infinity which can serve as both macro and portrait lenses. It has 3 extra-low dispersion (ED) glasses and 3 glasses with Ultra-High Refractive Index which produces pictures with outstanding sharpness. The lens weighs around 595g which is portable to carry around. 

for details, specs & description on manufacturers site.

*Minimum 3 weeks delivery for L mount