The Photographic Society of America (PSA) is a worldwide organization. PSA-recognized exhibitions must meet strict exhibition standards. Images that are accepted into exhibitions can be used to earn Star Ratings and ultimately PSA Recognition of Photographic Achievement (ROPA) distinctions. An image qualifying for acceptance into Nature Division exhibitions must meet PSA's strict definition of nature. The story telling value of a photograph is weighed more than the pictorial quality while maintaining high technical quality.