The Meike MK-E-35-1.7 35mm f1.7 Manual Focus lens is a high-quality prime fixed lens designed for Sony E-Mount cameras like the A7R and A7S. With a maximum aperture of F1.7, this lens offers excellent low-light performance and bokeh. The manual focus feature allows for precise control over your images, while the 1-year manufacturer warranty ensures peace of mind. Made in China and specifically for Sony cameras, this lens is a reliable and versatile option for photographers looking to expand their kit.