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Shisuyan Double Convex Glass Lens Optical Lens 30mm Diameter 50mm Focal Length for Labs

<ul><li>Focal Length: 50mm</li><li>|Made of polished glass with ground edges</li><li>|Double-convex lens for demonstrating optical principles and effects for students</li></ul>

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Description &nbsp; This item is well made of premium material for durable and practical use. With 30mm in diameter and 50mm focal length, this glass lens will ensure its practicability through high performance. It is a pefect accessory for scientific experiments.  Features&nbsp; &nbsp; - Color: As shown. - Material: Glass. - Size: 3 x 3 x 0.25 cm. - Focal Length: 50mm. - Made of polished glass with ground edges. - Double-convex lens for demonstrating optical principles and effects for students. - Used in scientific experiments and classroom demonstrations. Perfect for use.