The Aquatech AQU-CEP-1B Eyepiece is specifically designed for the Canon EOS 1D Mark I camera, providing a perfect fit and ensuring optimal performance. This eyepiece from Aquatech offers superior quality and durability, making it ideal for underwater photography. The AQU-CEP-1B Eyepiece is a must-have accessory for photographers looking to capture stunning images while diving or swimming. Manufactured by Aquatech, a trusted brand in photography equipment, this eyepiece is designed to withstand the toughest conditions. Keep your Canon EOS 1D Mark I safe and secure with this high-quality eyepiece in the Pouches category.