This Tamron SP telephoto lens is perfect for 35mm SLR cameras. With a maximum aperture of f/4, it allows for great low-light performance and beautiful bokeh effects. The lens is compatible with most 35mm SLR cameras and features both auto and manual focus options. The focal length range of 70-300mm makes it ideal for capturing distant subjects, while the di LD macro feature allows for stunning close-up shots. This lens is a great addition to any photographer's kit, and is sure to impress with its high-quality optics and versatile capabilities.