Introducing the vintage Ricoh Rikenon P 28mm F2.8 lens, a manual focus wide-angle lens compatible with Pentax cameras. This lens boasts a maximum aperture of f/2.8 and a mount of M42, with a compatible lens front and filter size of 62mm. Most of these lenses had 52mm. This item is hard to find. Manufactured in Japan during the 1970s, this lens is in great working condition and provides sharp and clear images. Whether you're a professional photographer or a vintage camera collector, this lens is the perfect addition to your toolkit. No haze, no fungus, awesome condition.