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Designed for use with full frame digital SLR cameras; 3 Years Warranty 10x high zoom ration ultra telephoto zoom lens Offers Sigmas OS System allowing handheld photography even in low-light situation HSM ensures a quiet & high-speed auto focusc3 year warranty Four SLD glass elements provide optimum color correction & sharpness throughout the entire zoom rangeExtra Description
Sigmas APO 50-500mm F4.5-6.3 DG OS HSM is an advanced optical design of this 10x power high-performance zoom lens that covers the standard-to-super-telephoto rangec now with the added advantage of Sigmas own Optical Stabilization which offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. Sigma is the only one to offer OS for Sony and Pentax mount where the image is stabilized in the viewfinder if chosen. For many photographersc having an all-in-one lens is an absolute dream. Especially for nature photographersc the idea of a lens suitable for landscape photography at the short end of the zoom rangec while still having enough reach for wildlife is a great option. Add to thatc the ability to close focus on small objects in the field such as flowers and its the perfect backpackers lens. Four SLD (Special Low Dispersion) glass elements provide optimum color correction & sharpness throughout the entire zoom range and super Multi-Layer lens coating reduces flare and ghosting and assures high image quality throughout the entire zoom range. With no need to change lensesc there is less chance of dirt or moisture entering the camera and fouling the imaging sensor.
I wont use the lens hood. When zoomed in there is really bad vignetting. I do love the 50mm part of it..I can get close up shots that I cant using my 70mm making it more versatile. I also like the 500mm..but finding Im not getting a very sharp image. I havent had it long though so still working with it.