- Important Note: The aperture size refers to the inner diameter of the lens cover, which matches the outer diameter of your telescope. Please measure your telescope's diameter before making a purchase to ensure compatibility. - Individual Sale: Each lens cap is sold separately, allowing you to purchase only what you need. - Size Options: We offer a wide range of inner diameters to suit various telescopes, including: 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 Construction: Made from high-quality plastic, this lens cover is designed for durability and resilience, ensuring it withstands regular use without breaking. - Practical Applications: - Protect your telescope lenses from dust and scratches when not in use, ensuring optimal performance during your next stargazing session. - Ideal for outdoor enthusiasts and astronomers who need reliable lens protection while traveling or camping. - Perfect for maintaining the longevity of your telescope by preventing damage from environmental elements. - Compatibility: Designed to fit a variety of telescope models, ensuring you can find the perfect lens cap for your equipment.