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DG OS HSM Sigma APO 50-500mm F4.5-6.3 Autofocus Lens
This Sigma 50-500mm f/4.5-6.3 DG OS HSM APO lens is for digital SLR cameras from Canon and Nikon lens mount. The lens has a standard to ultra telephoto zoom lens that is perfect for nature, wildlife or sports photography. The range translates into an equivalent 75-750mm when used with digital SLR cameras with an APS size chip. The aim is also compatible with full frame cameras. You can even increase by telephoto Sigma APO teleconverters.
For many photographers, with an all-in-one lens is an absolute dream. Especially for nature photographers, the idea of a lens suitable for landscape photography in the short end of the zoom range, while having enough power to wildlife is a great option. Add to this the ability to focus on small objects close in the field, such as flowers and backpackers is the perfect lens. " Four SLD (Special Low Dispersion) glass elements provide correction of the optimal color and sharpness throughout the entire zoom range the lens and super multi-layer coating reduces flare and ghosting and ensures image quality throughout the entire zoom range. No need changing lenses, there is less chance of dirt or moisture entering the camera and dirt from the image sensor.
This lens covers a wide range of focal lengths from 50mm to 500mm ultra telephoto. The OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower than would be possible.
The OS (Optical Stabilizer) system minimizes image blur caused by camera shake, and offers the equivalent of shooting at a shutter speed 3-4 stops faster. This allows handheld telephoto zoom in low light.
Use OS (Optical Stabilizer) system, HSM (Hyper Sonic Motor), APO chromatic design, four elements of SLD (Special Low Dispersion) glass multiple applications and optics all enable this lens to provide a high level of performance throughout its entire zoom range. A rear focus system ensures approach to quick, convenient and a manual non-rotating front barrel.
This lens has a ratio of 1:3.1 Maximum Magnification Ratio (a focal length of 200 mm) making it ideal for close-up photography. This lens incorporates HSM (Hyper Sonic Motor), ensuring speed and high-quiet AF and the potential of full-time manual focus. The addition of the 1.4x EX DG and 2x EX DG optional APO Tele Converters produce a 700mm F6.3-70-8 or a 100-1000mm zoom F9-12.6 FM, respectively.
The improved DG lens design corrects various aberrations. This is particularly coated for the best color balance, reducing the ghosting caused by reflections from the digital image sensor. The lens provides the utmost correction against lateral chromatic aberration, which is a serious problem for digital SLR cameras.
The filter size of this lens is 95mm and the lens diameter is supplied with a ring that allows digital cameras give a picture of an APS-C size sensor to use a 86mm filter diameter.
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