Enhance the protection and longevity of your optical equipment with the Objective Lens Cover #27. Designed to perfectly fit objective lenses with a diameter of 1.840 inches (46.7mm) this cover ensures a snug and secure fit guarding against dust dirt and scratches. Its sleek black color adds a professional touch while the durable construction ensures reliable performance in various conditions. Whether in the field or in storage keep your optics in pristine condition with this essential accessory.