Sony
The Sony FE 20-70mm f/4 G (SEL2070G) is a versatile standard zoom for full-frame Sony E-mount cameras, offering an extended 20–70mm range with a constant f/4 aperture. According to Sony's product listing (cached), this lens is designed for a variety of shooting situations, from landscapes and architecture to portraits and events, providing flexibility in a compact and lightweight package. The optical formula includes 16 elements in 12 groups, with advanced features like ED (Extra-low Dispersion) glass and aspherical elements to control aberrations. The lens also incorporates a zoom ring with a distinctive zebra pattern for easy subject framing. Weighing approximately 500g and measuring Φ73.5mm × 88mm, the SEL2070G is positioned as a convenient, all-around zoom lens for photographers seeking quality and versatility without the need for constant aperture adjustment. Editorial coverage in the cached review highlights the lens's performance and convenience as a travel-friendly standard zoom.
