Bundle Items Include: Tamron SP 45mm f/1.8 Di VC USD Lens for Nikon F + 64GB Extreme Pro SD Card + 67mm Filter Set + 6-Inch Lens Case + Memory Card Wallet + SD Card Reader + Strap + Electronics Basket Cleaning Kit + Lens Cap Keeper. A normal-length prime, this 45mm lens is designed for FX format Nikon F mount DSLRs, and is also compatible with DX models where it will provide a 67.5mm equivalent focal length.. Two aspherical elements correct for spherical and comatic aberrations, as well as distortion, for consistent edge-to-edge sharpness and illumination throughout the aperture range, as well as a reduction of sagittal comatic flare.. Ring-type USD (Ultrasonic Silent Drive) motor is employed for fast, precise, and quiet autofocus performance that benefits both stills and video recording. This motor also enables full-time manual focus control without having to shift into a dedicated MF mode.. Moisture-resistant construction incorporates seals around the lens mount and other areas to