The Sigma 105mm f/2.8 EX DG Macro Lens is specifically designed for Nikon cameras, offering high-quality close-up photography with its maximum aperture of f/2.8. This lens is part of Sigma's EX series, known for producing top-notch optics and performance. With both auto and manual focus options, photographers can capture stunning macro shots with precision and clarity. The Nikon F mount ensures a secure and compatible fit on Nikon cameras, making this lens a versatile and reliable choice for capturing intricate details in a variety of subjects.