Discover the transformative power of the NiSi 9mm f/2.8 Sunstar Aspherical Lens, a professional-grade, high-quality lens designed specifically for Sony E-mount cameras. This ultra-wide-angle lens, with its fixed focal length of 9mm and maximum aperture of f/2.8, is an essential tool for photographers seeking to explore the realms of wide-angle photography. Engineered with a 113-degree field of view and 14 elements in 12 groups, this lens delivers precise optics and minimal distortion, making it an ideal choice for capturing stunning landscapes and intricate architectural details. The aperture range of f/2.8 to f/16 not only enhances its versatility but also makes it a prime choice for astrophotography, offering resistance to flares and low coma.Weighing in at a mere 364g/12.8oz, this compact lens is easy to carry and perfect for on-the-go photographers.