Sony SELP18105G E PZ 18-105mm F4 G OSS Lens - Black This G Lens for E-mount cameras delivers stunning still or movie imagery with the flexibility of 6x power zoom. Maximum aperture is a constant F4 from 18mm wide angle to 105mm medium telephoto, with excellent resolution and contrast throughout. A lever and ring on the lens barrel allow zoom speed to be freely adjusted as required while maintaining a sure, stable grip. Approx. 6x powered zoom Constant F4 maximum aperture 7-blade circular aperture ED glass elements effectively reduce chromatic aberration Height: 110 MM Width: 78 MM Zoom: 6 - 6.9x