Focal Length and Use Cases

These lenses serve completely different purposes. The Sony FE 50mm is a standard focal length macro lens ideal for portraits, product photography, and close-up work with 1:1 magnification capability. The Panasonic 15mm is an ultrawide prime designed for landscapes, architecture, and cramped spaces, equivalent to 30mm on full-frame cameras due to Micro Four Thirds crop factor.

Optical Performance and Build

The Sony offers exceptional macro capabilities with sharp detail reproduction and smooth bokeh at f/2.8, though it's slower than the Panasonic. The Panasonic LEICA lens delivers outstanding sharpness across the frame with minimal distortion at f/1.7, providing excellent low-light performance. Both feature weather sealing and premium construction quality.

System Compatibility and Value

The Sony is designed for full-frame E-mount cameras, making it versatile across Sony's mirrorless lineup. The Panasonic works with Micro Four Thirds systems from both Panasonic and Olympus. At similar prices, the Panasonic offers more versatile everyday shooting with its faster aperture, while the Sony provides specialized macro capabilities that few lenses can match.