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Multi-function LED illuminating system
Adopting high purity raw material
One side contains the problem
Color coded to make learning easier & fun
Will Not Turn Your Skin Green or Red or Itchy
1pcs Concave Mirror Lens | 75mm Diameter and 75mm Focal Length Alcohol Multi-function LED illuminating systemHigh Quality Glass: Made from durable and high quality glass, this Double Concave Mirror Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 75mm Diameter: With a diameter of 75mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 75mm Focal: Featuring a 75mm focal, this lens is an ideal tool for creating focused images and light beams.
