The 7artisans Photoelectric 9mm f/5.6 Lens provides a distinctive ultra-wide perspective suitable for Sony E-mount cameras. It's perfect for various applications like indoor, architectural, nature, and landscape photography. The lens features a superior optical design that employs extra-low dispersion, aspherical, and high refractive index elements to handle different aberrations and distortions. This results in heightened sharpness, clarity, and color precision. The lens is manually focused and allows working with subjects as close as 7.9". Additionally, it features a smoothly de-clicked aperture ring which is great for video recording. The built-in hood helps reduce stray light and prevent lens flare. Furthermore, this lens has a lightweight, compact design making it excellent for on-the-go and travel scenarios.