The Pentax SMC P-D FA Macro 50mm f/2.8 Autofocus Lens is a high-quality lens designed specifically for Pentax cameras. With a maximum aperture of f/2.8, this lens is ideal for capturing close-up shots with a shallow depth of field. The lens is part of the Pentax SMC series, known for its sharpness and image quality. Made in Japan, this full-frame lens is a fixed focal length prime lens, perfect for photographers looking to capture stunning macro shots with ease.