Specs

• 13 elements in 10 groups, three extrea-low dispersion (ED) elements
• 13-blade aperture diaphragm
• 67mm filters
• Minimum focusing distance - 20.5cm
• $499
• https://www.venuslens.net/product/laowa-90mm-f-2-8-2x-macro-apo/

Laowa 90mm f/2.8 2x Ultra Macro APO is specifically designed for mirrorless cameras with full-frame sensors size. With its fascinating 2:1 magnification capability and focus to infinity, the lens can capture subjects in any size, making it very versatile for different applications including macro, commercial and portrait photography. It is super compact and lightweight, the size of the lens is significantly smaller than other equivalents on the market. An apochromatic (APO) characteristic is equipped even in high magnification to provide outstanding image quality.