The Tamron 28-75mm Di III RXD f/2.8 Camera Lens is designed specifically for Sony mirrorless cameras, featuring a fast maximum aperture of f/2.8 for excellent low-light performance and beautifully blurred backgrounds. This lens is part of the Tamron Di III series, known for its high-quality optics and construction. With both auto and manual focus options, this lens provides versatility and precision for photographers looking to capture stunning images. Made in Japan, this lens is a reliable choice for Sony users seeking a reliable and high-quality optic.