1pcs Double Concave Lens | 50mm Diameter and 100mm Focal Length Electromagnetism Included: 1 x Multi-Cutter and

Included: 1 x Multi-Cutter and 1 x Reamer

Premium Quality: Motor Open Model is made of high quality

Chemicals and more

Conductivity <5

1pcs Double Concave Lens | 50mm Diameter and 100mm Focal Length Electromagnetism Included: 1 x Multi-Cutter andHigh Quality Glass: Made from durable and high quality glass, this Double Concave Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 50mm Diameter: With a diameter of 50mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 100mm Focal: Featuring a 100mm focal, this lens is an ideal tool for creating focused images and light beams.