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Optical & Performance
- Aperture: Features a constant f/2.8 maximum aperture, providing excellent low-light performance and consistent depth-of-field control throughout the zoom range.
- Lens Configuration: Comprises 17 elements in 12 groups, including two AA (Advanced Aspherical) elements and two standard aspherical elements to suppress distortion and spherical aberration.
- Specialized Coatings: Utilizes Sony’s Nano AR Coating to reduce internal reflections (flare and ghosting) and a fluorine coating on the front element to repel water, oil, and contaminants.
- Bokeh Quality: Uses a 9-blade circular aperture to maintain smooth, rounded background highlights even when stopped down slightly.
