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Large aperture standard zoom lens provides superior performance both for Digital SLR Cameras and 35mm Film SLR Cameras To achieve an F2.8 aperture at all focal lengths, it employs three aspherical lens to provide optimum aberration compensation. While, two Special Low Dispersion (SLD) glass elements one glass mold asperical plus two hyrid aspherical lenses are provided for color aberration compensation, to assure high image quality. Also incorporated is a "Super Multi Layer Coating" to reduce the influence of harmful light caused by reflections from the digital image sensor.
