The Flipper DeepSee Magnetic Aquarium Viewer Nano 3" offers exceptional clarity and convenience for observing and photographing nano aquariums. Featuring an optical-grade magnifying lens and a 3-inch viewing portal, it provides an ideal focal range of approximately 3 to 6 inches, making it perfect for capturing detailed images. Secured in place by strong rare earth magnets, it is suitable for use on tanks with up to 3/8-inch (10mm) thickness, ensuring stability and ease of use. Its versatile design allows for effortless movement around the tank, enabling viewing from various angles. Additionally, the DeepSee is designed to be safe for both glass and acrylic tanks, making it a reliable tool for inspecting reef corals, fish, and detecting early signs of disease or pests. With its compact size and superior optical quality, the Flipper DeepSee is an essential accessory for nano aquarium enthusiasts seeking to explore their underwater world with precision and clarity.