The Sigma 30mm f/2.8 EX DN Art Lens in black is a high-quality lens made by Sigma, designed for Four Thirds mount cameras. This lens has a maximum aperture of f/2.8 and a focal length of 30mm, making it ideal for capturing detailed images with beautiful depth of field. It features both auto and manual focus options, a durable plastic exterior, and a 1-month manufacturer warranty. Made in Japan, this lens is a reliable choice for photographers looking to enhance their kit with a versatile and well-crafted lens.