The **Sony FE 20mm F1.8 G lens** is a wide-angle prime lens designed for Sony's full-frame mirrorless cameras with E-mount, often referred to as FE lenses. Here's some information about this lens: **Key Features:** - **Focal Length**: The 20mm focal length makes this lens a wide-angle option, suitable for capturing expansive scenes, landscapes, architecture, and creative perspectives. - **Aperture**: The fast maximum aperture of f/1.8 allows for excellent low-light performance and also provides creative control over depth of field. - **G Series**: The "G" in the lens name indicates that it's part of Sony's G series, which signifies professional-grade lenses with high optical quality and advanced features. - **Prime Lens**: Being a prime lens, it has a fixed focal length, which can encourage creative composition and forces you to move around to frame your shots. - **Full-Frame Coverage**: This lens is designed specifically for Sony full-frame mirrorless cameras, providing coverage across the entire sensor without any crop factor. - **Image Quality**: G lenses are known for their high image quality, sharpness, and reduced optical aberrations. - **Autofocus**: This lens likely features fast and accurate autofocus capabilities, thanks to its G lens status and compatibility with Sony's autofocus technology. - **Wide-Angle Applications**: The 20mm focal length is well-suited for landscape photography, astrophotography, street photography, and even some types of environmental portraiture. - **Lightweight and Portable**: Despite its wide aperture, this lens appears to be relatively compact and lightweight, making it a good option for photographers who value portability. When using this lens, consider its wide-angle nature and the creative opportunities it presents. Additionally, the wide f/1.8 aperture can allow for impressive background separation and low-light performance. Be mindful of potential distortion and vignetting, common characteristics of some wide-angle lenses. As always, before making a purchase, it's a good idea to read reviews, check compatibility with your specific camera model, and consider your photography needs to ensure that the lens suits your style and preferences.