sigma 10 20mm for canon

18-250mm F3.5-6.3 DC Macro OS HSM for Canon EF Cameras, Wide-Angle to Telephoto Zoom Macro Lens, For Canon EF APS-C Cameras Only, Optical Stabilization (OS), Hyper-Sonic Motor (HSM), Thermally Stable Composite Material, Minimum Focusing Distance of 13.7, 4 Special Low Dispersion (SLD) Elements, 3 Aspherical Glass Elements, Super Multi-Layer Lens Coating, Brass Made Bayonet Mount

for Canon mount 300mm f/2.8 telephoto lens is designed for full frame cameras but also functions on APS-C cameras,ideal for low-light theatrical photography, indoor sports, and travel,high-qualit y optics keep color fringing, flaring, and ghosting to minimum while delivering sharp images

The Sigma 105mm f/2.8 EX DG OS HSM Macro Lens for Canon EOS DSLR Cameras offers advanced performance of close-up photography. The OS (Optical Stabilizer) system enables handheld close-up photography. A Special Low Dispersion (SLD) lens and one high refractive index SLD lens provide excellent correction for all types of aberration and distortion. A floating focusing system moves two different lens groups in the optical path to different positions. This system compensates for astigmatic aberration and spherical aberration and provides extremely high optical performance from infinity to 1:1 Macro.The Super Multi-Layer Coating reduces flare and ghosting, providing high contrast images. It is also possible to use this lens with Sigma's APO TELE CONVERTERS. The HSM (Hyper Sonic Motor) ensures... Less

By revolutionizing the optical and structural design of the Sigma 18-250mm F3.5-6.3 DC OS HSM, this lens achieves a compact size and a minimum focusing distance of 35cm. New material, Thermally Stable Composite (TSC) maintains its structure and has little contractility especially in varying temperatures, is incorporated into the lens barrel. It is convenient when you wish to keep your equipment to a minimum and yet still be prepared for all opportunities and situations, such as travels. A wide range of photography is possible in one lens Covering wide angle 18mm to telephoto 250mm, this versatile lens designed exclusively for digital SLR cameras, is suitable for all-purpose photography including landscape, sport, and macro photography. It is convenient when you wish to keep your... Less