Key Features
- Upgraded Image Stabilization: Features a powerful 5-stop optical IS system (up from 3 stops on Mark I) with 3 specialized modes to handle static subjects, panning shots, and unpredictable, erratic action.
- Advanced Optics: Built with 20 elements in 15 groups, incorporating one Fluorite element and two Ultra-Low Dispersion (UD) elements to deliver exceptional contrast and corner-to-corner sharpness across the entire zoom range.
- Enhanced Close-Focusing: The minimum focusing distance is shortened to just 1.0 meter (3.3 feet), boosting maximum magnification to 0.27x for impressive close-up photography.
- Blazing Autofocus: Equipped with a ring-type Ultrasonic Motor (Ring USM) and optimized firmware algorithms for near-silent, incredibly swift, and accurate tracking.
- Robust Build & Coatings: Fully weather-sealed against dust and moisture. Front and rear glass elements feature a fluorine coating to repel water and fingerprints, while Super Spectra Coatings minimize ghosting and flare.
- Aperture & Filter Thread: Features a circular 9-blade aperture for smoother background bokeh (up from 8 blades on Mark I) and an increased 72mm filter thread.






















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