Top features:- Constant f/4 aperture delivers consistent exposure – Versatile zoom range is ideal for a variety of situations – Built to withstand tough shooting conditions Constant f/4 apertureThe Sony Vario-Tessar T* FE 24-70mm f/4 ZA OSS Standard Zoom Lens delivers full-frame quality in a compact zoom lens. Compatible with Sony E-mount cameras, it lets you capture detailed images with confidence.A constant f/4 maximum aperture creates consistent exposure across the focal range. As a result, you won’t need to alter your ISO settings and can focus on capturing the ideal image.Versatile zoom rangeWith its versatile 24-70 mm zoom range, the Vario-Tessar T* FE lets you shoot in wide range of settings. Whether you’re capturing an intimate portrait or shooting a spectacular landscape, you can achieve memorable images.Built to withstand tough shooting conditions You can use the Vario-Tessar T* FE with confidence wherever you go. Critical areas of the lens exterior have dust and moisture resistant seals, delivering a reliable operation in a variety of conditions.