Sony E 20mm f/28

The Sony E 20mm f/2.8 is an ultra‑slim (pancake) APS‑C prime delivering a 30mm equivalent view in a featherweight 69 g design that virtually disappears on compact E‑mount bodies. Its 6‑element/6‑group symmetric optical formula with asphericals aims to retain center sharpness wide open while keeping field curvature and distortion modest for a lens this thin. A 0.20 m minimum focus distance (0.12×) enables intimate environmental detail or food and tabletop framing without swapping to a dedicated macro. Fast, quiet internal focusing benefits spontaneous street and travel shooting as well as lightweight gimbal or vlog rigs, and the 49 mm thread aligns with other small Sony primes for shared filters. While corners improve noticeably on stopping down and f/2.8 limits extreme subject isolation, the lens excels as a discreet, always‑with‑you option for documentary travel, everyday storytelling, indoor social scenes and environmental portraiture where portability outweighs absolute edge performance.