Large aperture standard zoom lens open F worth 2.8 to cover from the high frequency of usage 24mm to 70mm. 2 aspherical lenses, using 2 ED glass, an optical system which has actually undergone "T * covering" various aberrations are adequately fixed, sharp photo quality with excellent contrast from the aperture is acquired. In addition, the lens built-in SSM (ultrasonic motor) to understand a fast and high-quiet AF. Focus mode switch as well as geared up with a focus hold button, it is also friendly operability. In addition, stunning blur appealing natural by circular aperture adoption. Landscape, snaps, permitting a new image expression in a wide variety of photographic genres such as portraits. MTF (modulation-transfer function) MTF is one of the lens performance examination approach that shows contrast reproducibility of the lens. Whether the much image is subject on the imaging surface area has actually been consistently recreated, it expressed in frequency attributes. MTF characteristic diagram, the horizontal axis the range is from the center (mm), the vertical axis has a contrast, addition, MTF attributes normal spatial frequency (10/ mm, 20 present/ mm, 40 lines/ For mm), Direction (radial: R, concentric: T), and is represented by the condition of the aperture worth (opening, F8).
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