Canon is an industry leader in professional and consumer imaging equipment and information systems. Canons extensive product line enables businesses and consumers worldwide to capture, store and distribute visual information. Cannon provides a wide range of accessories that are fully tested and 100% compliant with the corresponding equipment. All accessories are noted for their high reliability and superior quality.The Company offers the 52mm close-up lens that changes the closest focusing distance from infinity to 250mm (approx. 9.9") from the front of the lens. It is designed for use with EF lenses and Powershot A20, A10. (It requires a conversion lens adapter LA-DC52 for attachment to PowerShot A20 and A10).