This is the Sigma 70-200
The Sigma 70-200mm lens is an outstanding telephoto zoom lens that offers exceptional image quality and versatility to photographers. One of its key features is the long-reaching focal range, spanning from 70mm to 200mm, making it perfect for capturing distant subjects and bringing them closer to the photographer's frame. This lens is designed for various camera systems, and with its 35mm equivalent focal length range of 105-300mm, it becomes an excellent choice for portrait photography, sports events, wildlife, and other telephoto applications. The optical performance of the Sigma 70-200mm is truly impressive. It features high-quality glass elements and advanced optical coatings that effectively correct various optical aberrations, resulting in excellent image sharpness, contrast, and accurate color rendition. With a wide maximum aperture range (typically around f/2.8 or f/4, depending on the model), the lens provides great low-light capabilities and the ability to produce pleasing background blur, commonly known as bokeh, for isolating subjects from their surroundings and achieving creative effects. Furthermore, the lens is equipped with an efficient and fast autofocus system, ensuring quick and precise subject tracking, making it well-suited for capturing fast-paced action and moving subjects. Its robust build and weather-sealing (available in some models) also contribute to its reliability and performance in challenging shooting conditions. In summary, the Sigma 70-200mm lens stands as an exceptional choice for photographers seeking a high-quality telephoto zoom lens. With its versatile focal range, excellent optical performance, and reliable autofocus, it is well-suited for a wide range of photography genres, providing photographers with the tools they need to capture stunning images, whether they are shooting portraits, wildlife, sports events, or other distant subjects.