The vintage underwater Nikon Nikonos flash for the Nikonos III camera is a durable and waterproof flash gun designed for film cameras. Made in Japan, this flash unit is compatible with Nikonos cameras and includes a sync cord for added convenience. Although untested, this Nikon flash gun is a reliable option for photographers looking to capture stunning underwater shots with their Nikon equipment. Its classic design and solid construction make it a valuable addition to any photographer's gear collection.