Canon is an industry leader in professional and consumer imaging equipment and information systems. Canon's extensive product line enables businesses and consumers worldwide to capture, store and distribute visual information. Canon 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 Conversion Lens Adapter LA-DC52B is used to attach lens accessories to the PowerShot A30 and A40. This adapter is required for mounting the wide converter, tele-converter and close-up lens to the camera.