The OM System DE-N3 Dioptric Eyecup is a high-quality accessory designed specifically for Olympus cameras. This eyecup is compatible with select Olympus camera models and enhances the viewing experience by providing a comfortable and adjustable eyepiece for photographers. The DE-N3 Dioptric Eyecup helps to improve the clarity and accuracy of the viewfinder image, making it easier for photographers to compose their shots. Manufactured by OM System, this eyecup is part of the Olympus eyecups category and is a must-have accessory for photographers who want to achieve precise focus and composition in their images.