The Sigma 300-600mm F4 DG OS Sports lens represents a groundbreaking fusion of prime lens optical excellence with the adaptive versatility of a zoom lens, offering photographers the freedom to seamlessly transition between a 300mm and 600mm focal range without the need for multiple lenses. Expertly engineered to meet the demands of sports, wildlife, and high-action photography, it combines a lightweight, magnesium alloy body enhanced with thermal insulation paint to maintain optimal performance in challenging outdoor conditions with an innovative inner zoom mechanism that minimizes shifts in the center of gravity. Its high-thrust High-response Linear Actuator drives rapid and precise autofocus, while an advanced OS2 algorithm delivers up to 5.5 stops of optical stabilization at 600mm, ensuring that even the most fleeting moments are captured with exceptional clarity. The lens further extends its capabilities through a newly introduced function ring, which provides both a focus preset mode for quick adjustments and a power focus mode for smooth transitions, thereby empowering photographers to tailor their shooting style to a variety of dynamic scenarios. Meticulously designed with a robust yet balanced structure that incorporates a water- and oil-repellent coating and a dust- and splash-resistant exterior, this lens stands ready to tackle the rigors of professional use, complemented by a suite of supplied accessories such as a dedicated lens hood, tripod socket, and drop-in filter holder, with optional enhancements like teleconverters and a USB Dock available for those seeking even greater creative control.
A testament to Sigma’s unwavering commitment to optical innovation, the 300-600mm F4 DG OS Sports lens is constructed with a sophisticated optical formula comprising 28 elements in 21 groups, including advanced FLD and SLD glass elements alongside materials designed to correct chromatic aberration across its extensive zoom range. Every detail, from the precision-engineered focus limiter and multiple assignable buttons to the intelligently designed custom switches and ergonomic controls, has been conceived to offer a perfect blend of performance and reliability, enabling photographers to capture high-speed action with the same uncompromising quality expected from a prime lens. Scheduled for launch in April 2025 and available in both L-Mount and Sony E-mount configurations, this ultra-telephoto zoom lens challenges traditional boundaries by delivering the brightness and resolution of a prime lens while offering the flexibility required for fast-paced, ever-changing shooting conditions, thereby inviting professionals to explore new creative frontiers with confidence and precision.
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