The Sony Zeiss Planar T * FE 50mm F1.4 ZA lens ensures excellent rendition across the entire frame at all apertures. It features advanced optical elements such as AA (Advanced Aspherical) and ED (Extra-low Dispersion) to reduce chromatic and spherical aberrations. Additionally, the Zeiss T coating minimizes flare and ghosting. In summary, the Planar has minimal distortion. The maximum F1.4 aperture guarantees speed and sharpness, benefiting low-light indoor shots, night photography, and portraits. The circular 11-blade aperture provides excellent Bokeh. Further features include an aperture control ring with a click switch, AF/MF focus, and a dust and moisture-resistant design. This lens is equipped with an SSM (Super Sonic wave Motor) for efficient, fast, and accurate focusing, particularly useful for video recording. Features of the Sony Zeiss Planar T* FE 50mm F1.4 ZA Lens: Construction: 12 elements in 9 groups, Circular aperture with 11 blades, Continuously variable aperture, push-button switch, Water and dust resistant, Ultrasonic motor, Minimum focusing distance: 45 cm, Filter diameter: 72mm. Package Contents: Sony Zeiss Planar T * FE 50mm F1.4 ZA Lens, Front cap ALC-F72S, Rear cap R1EM, Lens hood ALC-SH143, Protection.