The 18-70mm f/3.5-5.6 AF DT Standard Zoom Lens lens from Sony is a DT-series Sony Alpha lens that has been optimized for cropped image sensors, and as a result it is not recommended for use with larger full-frame cameras. Its 18-70mm focal length is the 35mm equivalent of a standard 27-105mm standard zoom lens.
It is constructed of 11 elements in 9 groups, with Extra-low Dispersion (ED) and Aspheric glasselements, which all help to deliver sharp, clear photos throughout the zoom range. It has a minimum focusing distance of 1.2' and a front-end filter diameter of 55mm.
Note: Not compatible with 35mm or "full-frame" digital SLR cameras.
35mm Equivalent: 27-105mm
This 18-70mm lens has a 3.8x zoom factor, and is the 35mm equivalent of a 27-105mm lens on the cropped APS-C cameras it was designed for.
Aperture Range: f/3.5-36
At the 18mm setting, the f-stop range is 3.5-22, and at the 70mm setting, the f-stop range is 5.6-36.
Optimized for Sony Alpha APS-C sensor cameras, the lens covers a 3.8x zoom range, from the wide 18mm end to a 70mm zoom, which is the 35mm equivalent of a 27-105mm lens.
Extra-Low Dispersion (ED) Glass
To reduce chromatic aberrations, most noticeable when zoomed all the way in to the 105mm equivalent focal length, the extra-low dispersion glass corrects for certain wavelengths of light - producing sharper images with truer colors.
Aspheric Glass Lens Elements
These precision lens elements correct distortion for sharper, more visually accurate images across the entire zoom range of the lens.
7x Circular Aperture Blades
Circular aperture blades produce smooth, rounded bokeh background effects when capturing spot-light sources in your pictures. Because the aperture blades form a near circle at the wide openings used for low-light shots, spot-light sources have a pleasing circular defocused effect.
Filter Diameter: 55mm
The 55mm from filter thread does not rotate, allowing rotating polarizing filters to be used.
Note:The 55mm from filter thread does not rotate, allowing rotating polarizing filters to be used.