Spanning an impressive wide-angle to super-telephoto range, the Canon EF-mount 18-400mm f/3.5-6.3 Di II VC HLD from Tamron is a true all-in-one lens to suit photographing the widest of vistas to the details of wildlife. Designed for APS-C-format DSLRs, this 28.8-640mm equivalent lens uses a three-step extension design to maintain a compact and lightweight form factor despite its expansive reach. In regard to the optics, a series of aspherical and low dispersion elements help to correct various aberrations and distortion for consistent sharpness and clarity throughout the zoom range. Benefitting the reach and optical layout, this lens also features an HLD autofocus motor that delivers quick and responsive focusing performance that is also quiet to benefit video recording needs. Vibration Compensation is also featured, which corrects for up to 2.5 stops of camera shake to help deliver sharper imagery when shooting handheld. Additionally, supporting this 18-400mm's all-in-one designation, a moisture-resistant construction ensures its use in trying environmental conditions. HOYA 72mm HMC UV Filter Heat-resistant / High-Transparency glass The HOYA UV filter uses the highest quality heat-resistant tempered glass, which creates a smooth, clear image. This filter cuts out all range of UV rays to give an astounding sharpness and clarity without the least affect on color balance. Constant use for lens protection is recommended. These popular filters are renowned for their ability to minimize reflection on filter surfaces which reduces flare and ghosting. With an average light transmission of over 97%, the HOYA HMC filters are engineered to enhance the performance of today's multi-coated lenses.