Sigma Sports 300-600mm f4 DG OS - L-Mount Category_Medium Format Cameras with focus ring rotation translating

with focus ring rotation translating directly to a corresponding change in focus

and offers up to 10-bit 4:2:2 even in 4K

If you could look inside our 40-150mm lens you’ll see some of the world’s finest precision cut glass configured to deliver outstanding image quality

but is super durable

Sigma Sports 300-600mm f4 DG OS - L-Mount Category_Medium Format Cameras with focus ring rotation translatingThe Sigma 300 600mm f4 DG OS Sports is a revolutionary large aperture ultra telephoto zoom lens that delivers all the convenience and versatility of a zoom lens with the superior optical performance of an ultra telephoto prime lens. With the Sigma 300 600mm F4 DG OS Sports, photographers can move freely between focal lengths of 300mm and 600mm without changing lenses. The fast and precise AF performance of its High response Linear Actuator (HLA) and