Excerpt: I purchased this as a compromise. Sony also makes 30 mm and 100 mm macro lenses. I chose the 50 mm because it was in the middle in terms of price and close-focusing distance. I have played with the lens for a week under less than optimum conditions.
Summary: el objetivo sal5028 da muy buena resolucion en fotos de insectos (moscas de pesca artificiales, ya lo probare en flores e insectos naturales. creo que se comporte igual. Probado en: sony alfa 350