Tamron SP AF 10-24mm f / 3.5-4.5 DI II Zoom Lens For Sony DSLR Cameras OverviewThe Tamron SP AF10-24mm f/3.5 -4.5 Di II is an ultra wide-angle zoom lens. Di II means that is designed for exclusive use on digital SLR cameras with smaller-size imagers (APS-C/DX). Boasting a focal length range of 10 - 24mm, (the 35mm equivalent of 16mm to 37mm) this lens has a varied range of applications for creating dramatic images as it features both ultra-wide and semi-wide angle settings.What's In The BoxTamron SP AF 10-24mm f / 3.5-4.5 DI II Zoom Lens For Sony DSLR CamerasFront Lens CapRear Lens CapPetal-shaped Lens HoodExtra Bundle Items:Lens Pen Cleaner (Has Felt Tip and Brush Tip - Must Have!)Dust BlowerLens Cleaning SolutionLens Cap KeeperSoft Lens Pouch2 Year Extended Warranty Included (Replaces Manufacturer Warranty)