The Sigma 12-24mm f/4.5-5.6 EX DG IF HSM Ultra Wide Angle Zoom Lens is designed for photographers who need maximum coverage with reliable optical performance. Offering an extreme 122-degree diagonal angle of view at 12mm, this lens is ideal for interior photography, architecture, landscapes, and creative wide-angle compositions where space and perspective are critical. Its advanced optical construction includes four Special Low Dispersion elements and multiple aspherical lenses to minimize distortion, color fringing, and edge softness, delivering controlled geometry and consistent clarity across the zoom range. The internal focusing system maintains a fixed lens length during operation, supporting stable handling and predictable framing when switching focus distances. Sigma’s Super Multi Coating helps manage flare and ghosting when working in challenging lighting, while the EX DG design ensures compatibility and performance with digital SLR sensors. Compact dimensions and a close focusing distance of 28cm add flexibility for dynamic shooting environments. This lens is well suited for photographers using Minolta and Sony SLR cameras who require dependable ultra wide coverage without sacrificing image accuracy.Bundle IncludesSIGMA 12-24MM FOR SONY AF DG Cleaning KitLens Cap Keeper