- Important Note : Before purchasing, please measure the diameter of your telescope. The aperture size refers to the inner size of the cover and the outer diameter of the telescope. - Individual Sales : Each lens cap is sold separately to meet your specific needs. - Versatile Sizes : Available in a wide range of inner diameters: 25.5 mm, 28 mm, 30 mm, 34 mm, 35 mm, 36 mm, 37 mm, 38 mm, 39 mm, 40 mm, 41 mm, 42 mm, 43 mm, 44 mm, 45 mm, 46 mm, 47 mm, 48 mm, 49 mm, 50 mm, 51 mm, 53 mm, 57 mm, 58 mm, 59 mm, 60 mm, 61 mm, 62 mm, 64 mm, 65 mm, 66 mm, 67 mm, and 69 mm. - Durable Quality : Crafted from high-quality plastic, these lens caps are designed to be long-lasting and resistant to breakage. Practical Use Cases : 1. Telescope Protection : Keep the lens of your telescope free from dust and scratches when not in use, ensuring optimal performance during your stargazing adventures. 2. Camera Lens Safety : Protect your camera lenses from environmental damage and accidental impacts, allowing for reliable photographic opportunities. 3. Binocular Maintenance : Ideal for safeguarding binoculars during storage, ensuring your equipment stays in top condition for all your outdoor excursions. These lens caps offer essential protection and versatility for your optical equipment, combining functionality with durability for user satisfaction.