Imaging USA is the longest running national photographic convention, expo and image exhibition in the United States, drawing thousands of professionals from around the world. Dating back to 1880, when it began as the annual convention and trade show for Professional Photographers of America, the event is always growing and evolving. Major components of Imaging USA are the three-day Imaging EXPO trade show, several all-inclusive parties and presentations by some of the biggest names in the photographic industry. Imaging USA's renowned educational classes are geared to improve a photographer's business skills, photographic repertoire and use of technologies.