Combining Aa (advanced aspherical) and aspherical lens elements achieves excellent corner-to-corner resolution and contrast throughout the zoom range. This set contains Lens hood Alc-SH176, Lens front cap Alc-F72S, Lens rear cap Alc-R1EM, Tripod mount ring Included, Corel PaintShop Pro 2022, Corel AfterShot Pro 3, Corel VideoStudio Se 2020, Corel Painter Essentials 7, and Limited 5-Year Warranty.