Under the umbrella of Sony's innovative lens technology, the Fe 20-70mm f/4 G Lens for Sony E stands out as a high-quality, advanced, and reliable choice for both professional and amateur photographers. This lens offers a versatile ultra-wide 20mm to mid-telephoto 70mm zoom range, making it an ideal choice for capturing a wide array of subjects in both still and movie formats. The lens's superior G Lens image quality ensures corner-to-corner high resolution across all focal lengths. This is achieved through the lens's state-of-the-art design, which includes two Aa (advanced aspherical) elements, one aspherical element, three Ed (Extra-low Dispersion) glass elements, and one Ed aspherical element. These components work together to correct both chromatic and spherical aberration, ensuring high optical performance from the ultra-wide 20mm to the 70mm range. The Fe 20-70mm f/4 G Lens for Sony E also boasts peak Af performance, thanks to two Xd (extreme dynamic) Linear Motors.