SONY FE 24-70MM F 4 VARIO-TESSAR OSS FULL FRAME INTERCHANGEABLE ZOOM LENS FOR CAMERAS

Sony Camera Lenses SEL2470ZB

This compact full-frame Carl Zeiss mid-range zoom lens covers a versatile 24mm to 70mm focal length range with a constant maximum aperture of F4, enabling consistent exposure settings at any zoom level. Designed for both full-frame and APS-C E-mount cameras, this premium lens delivers superlative image quality combined with dust and moisture resistance for reliable performance in various shooting conditions.

When adjusting the aperture to defocus the background, light sources appear beautifully blurred. This lens enhances the popular ‘bokeh’ effect through the use of circular aperture blades. Unlike conventional aperture blades that create polygonal-shaped defocused points of light, the unique design of α lenses maintains an almost perfectly circular aperture from wide-open to two stops closed. This results in smoother, more natural background defocusing that elevates your photography.

Longer focal lengths often cause chromatic aberration in lenses made with conventional optical glass, which can reduce contrast, color quality, and resolution. The SEL2470ZB incorporates ED (Extra-low Dispersion) glass to dramatically reduce chromatic aberration at telephoto ranges, ensuring superior contrast and vivid colors across the entire image, even at large apertures. Additionally, Super ED glass further enhances chromatic aberration compensation for outstanding image clarity.

The aspherical lens design plays a crucial role in minimizing spherical aberration while also reducing the lens's size and weight. Spherical aberration occurs when light rays are misaligned on the image plane due to refraction differences on conventional spherical lenses, degrading image quality especially in large-aperture lenses. Specially shaped aspherical elements near the diaphragm realign light rays, maintaining high sharpness and contrast at maximum aperture. These elements also help reduce distortion and decrease the total number of lens elements, making the lens more compact and lightweight.

Advanced Aspherical (AA) elements represent an evolved lens technology used in this model. Featuring an extremely high thickness ratio between the center and periphery, AA elements require cutting-edge molding techniques to achieve precise shape and surface accuracy. This results in significantly improved image accuracy and overall optical quality.

With its premium Carl Zeiss optics, dust/moisture resistance, and advanced lens technologies, the Sony SEL2470ZB lens is an ideal choice for photographers seeking exceptional image quality and reliable performance in a compact zoom lens.