Humanistic Perspective: In APS-C frame cameras, 35mm is very suitable for capturing humanistic scenes, including food, portraits, still life, and cute pets. Premium Design: Metal Material & Utra-Small Structure Design]Brightin Star 35mm F1.7 is made of metal and glass, with exquisite workmanship and compact design, allowing you to put the lens in your pocket. F1.7 Large Aperture: The F1.7 large aperture provides a large amount of light, which can meet the needs of night photography and increase the atmosphere of the photo. Clear Image Quality: The aperture can fully open, the center image quality remains clear and sharp at an aperture of F1.7. Attention Please: The Brightin Star lens is only used for Mirrorless Camera, NOT for SLR Camera. without an auto-focus function. make sure you've set the "release without lens" mode. 【Customer Support】We stand behind Brightin Star 35mm F1.7 Lens— 12-month warranty and friendly 24-hour responsive after-sales service. Brightin Star 35mm F1.7 APS-C large-aperture manual focus portrait lens is currently the highest-quality and most cost-effective large-aperture lens on the market. It is specially designed for mirrorless cameras. The lens structure is 6 elements in 4 groups, 2 ED lenses, 1 hybrid lens and 1 glass aspheric lens. All these lens elements are combined to minimize distortion and chromatic aberration.