You are looking at the Sony Fe 300mm f/2.8 Gm Oss Lens, a remarkable piece of optical engineering that stands as the lightest large-aperture telephoto lens in its class. Weighing just 51.9 oz (1470 grams) without the tripod mount, this lens offers exceptional optical performance and rapid, precise autofocus, making it an ideal choice for photographers who demand versatility and agility in their equipment.Designed for optimal balance, the SEL300F28GM minimizes stress and fatigue during extended handheld shooting sessions. Its innovative optical design features three Super Ed (extra-low dispersion) glass elements and one Ed glass element, effectively reducing axial and lateral chromatic aberration. This ensures outstanding resolution and contrast across the entire frame, providing flexibility for cropping and editing.The lens delivers extraordinary resolution and stunning bokeh, thanks to its 11-blade circular aperture mechanism.