This is a prime telephoto lens manufactured by Nikon, characterized by its 105mm focal length and a fast f/2.5 aperture. The “AI-S” designation indicates its compatibility with Nikon’s AI-S (Automatic Indexing – Shutter priority) system, allowing for automatic aperture indexing with compatible Nikon camera bodies. This lens is known for its sharpness, pleasing bokeh, and relatively compact size.
Its significance stems from its exceptional optical performance and build quality, making it a popular choice for portraiture and general telephoto applications. Historically, it represents a pinnacle of manual focus lens design, offering a balance of image quality, speed, and handling that remains highly regarded by photographers even in the digital age. Its robust construction ensures longevity, making it a worthwhile investment for those seeking a reliable and high-performing lens.
