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Sigma AF 300mm F2.8 APO EX DG/HSM Lens (Nikon mount)

Product Description :
Fast maximum aperture F28 telephoto lens optimized for digital SLR cameras
Fully compatible with all Nikon Digital SLR cameras
Multi layer lens coating minimizes flare and ghost
Two ELD extraordinary low dispersion glass elements produce excellent imaging capability
Accepts both 14x and 20x EX Teleconverters to produce 420mm F4 and 600mm F56 Autofocus ultra telephoto optics