The Laowa 65mm f/2.8 2x Ultra Macro APO (Sony E-mount) is a specialized, lightweight, and manual-focus lens designed specifically for APS-C mirrorless cameras, offering up to 2:1 (twice life-size) magnification. It features an apochromatic (APO) design to eliminate chromatic aberrations, a 17cm minimum focus distance, and a 97.5mm equivalent focal length, making it ideal for high-detail, close-up photography.