Check the listing for details. Spiratone 52M 7 AR Camera Step Down Ring. Condition: Used. Listed at 7.00 USD. The Spiratone 52M 7 AR Camera Step Down Ring is a specialized accessory designed for camera lenses to allow for smoother and more precise focus. This product helps photographers achieve sharper images and reduce camera shake, which can result in clearer and more detailed photos. With its high-quality construction and precise design, the Spiratone 52M 7 AR Camera Step Down Ring is a valuable tool for serious photographers looking to enhance their photography experience.