Samyang 100mm T3.1 Macro ED UMC VDSLR telephoto lens offers macro capabilities, with a minimum focusing distance of 0.3 m and a minimum aperture of f/32. Designed for full-frame cameras. For video, the aperture ring is marked in T-stops rather than F-stops. Focus and aperture rings include 0.8 pitch gears for follow focus use. The lens supports de-clicked aperture adjustment during filming. Optical design: 15 elements in 12 groups, including low-dispersion elements to reduce distortions. UMC coating optimizes light transmission and minimizes flare. Included: Samyang 100mm T3.1 Macro ED UMC VDSLR lens, rear cap, front cap, protective filter, hood, transport pouch.