A compact, lightweight 50mm macro prime lens with outstanding image quality. 1:1 macro capability in a full-frame prime lens. With a minimum focusing distance of 16 centimeters you can get close enough for truly imposing life size shots. A high-performance optical design that includes an ED glass element minimizes chromatic aberration, even when shooting close, contributing to outstanding corner-to-corner sharpness. Max. 70.8 mm diameter and 71 mm length with a total weight of only 236 grams 8.4 oz. for outstanding mobility and easy handling. This lens is a perfect match for the compact α series, and an ideal choice for everyday use. A focus-mode switch can be used to quickly switch between manual and auto focus, adapting easily to any macro opportunities that arise. The lens's “normal” 50 mm focal length makes it ideal for shooting scenery and portraits as well as close-up subjects. Magnification and distance scales enhance convenience with precise numeric indications that can be an important aid in achieving the desired magnification and focus for macro photography. A sealed dust and moisture resistant design provides extra protection and ensures reliable operation in challenging environments. Shoot with confidence in light rain or windy conditions.