This is a protective lens cap designed for telescopes, spotting scopes, and binoculars. It fits lenses with diameters of 23.5mm, 33mm, 35mm, 46mm, 60.5mm, 61mm, and 65mm. The cap has a depth of 10mm and helps prevent dust and dirt from entering the lens. Made from durable material, it provides a secure fit to keep the lens safe during storage and transport. The simple design allows for easy installation and removal, ensuring quick access to the lens when needed. Suitable for various optical devices, this lens cap is an essential accessory for maintaining the clarity and performance of your equipment.