SONY Vario-Sonnar T * 24-70mm F2.8 ZA SSM - International Version (No Warranty)

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Manufacturer Description

Huge aperture basic zoom lens open F value 2.8 to cover from the high frequency of usage 24mm to 70mm. 2 aspherical lenses, using two ED glass, an optical system which has actually undergone "T * finishing" numerous aberrations are sufficiently remedied, sharp picture quality with outstanding contrast from the aperture is acquired. In addition, the lens integrated SSM (ultrasonic motor) to understand a fast and high-quiet AF. Focus mode switch and also geared up with a focus hold button, it is also friendly operability. In addition, lovely blur appealing natural by circular aperture adoption. Landscape, snaps, permitting a brand-new image expression in a large range of photographic categories such as portraits. MTF (modulation-transfer function) MTF is one of the lens efficiency evaluation technique that reveals contrast reproducibility of the lens. Whether the much image is subject on the imaging surface has actually been faithfully replicated, it expressed in frequency characteristics. MTF characteristic diagram, the horizontal axis the distance is from the center (mm), the vertical axis has a contrast, addition, MTF characteristics typical spatial frequency (10/ mm, 20 present/ mm, 40 lines/ For mm), Instructions (radial: R, concentric: T), and is represented by the condition of the aperture value (opening, F8).

Product Features

Zoom magnification (optical) 2.9 times, lense type: zoom Focal length (wide-angle side) 24 mm, Focal length (telephoto side) 70 mm F value (wide-angle side) 2.80 f_stop, F value (telephoto side) 2.80 f_stop Filter diameter 77, Lens configuration 13 group 17 sheets, Lens Mount Sony α No camera shake correction, Motor type ultrasonic motor

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