Sigma 729954 100-400mm f/5-6.3 DG OS HSM Contemporary Lens for Canon DSLR (Black)

Full frame lens with APS-C compatibility, compact size meets strong image quality
Ideal Use: Travel photography, wildlife photography, nature photography and bird photography
It retains all of the positive characteristics of Sigma 150-600mm for image quality, optical stabilizer (OS), updated hypersonic motor (HSM) focus limiter and push/pull zoom
Regarding the optical performance, this lens has four SLD glasses to minimize the chromatic aberration
2 years warranty from Sigma India