The Canon Ec-D Focusing Screen is designed to provide photographers with a high level of clarity and precision when focusing. This product is part of Canon's range of focusing screens, specifically suited for photographers looking to achieve accurate focus in their images. The Ec-D Focusing Screen ensures that users can easily and effectively focus on their subject with ease. Manufactured by Canon, this focusing screen is a reliable and essential tool for photographers who require precision and accuracy in their work. Upgrade your Canon camera with the Ec-D Focusing Screen for enhanced focusing capabilities.