1pcs Double Convex Lens | 75mm Diameter and 300mm Focal Length measurements Wooden board size 68cm x

Wooden board size 68cm x 9cm

White Color Handles

silver-plated with E key

with real time display and camera function

1pcs Double Convex Lens | 75mm Diameter and 300mm Focal Length measurements Wooden board size 68cm xHigh Quality Glass: Made from durable and high quality glass, this Double Convex 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. 300mm Focal: Featuring a 300mm focal, this lens is an ideal tool for creating focused images and light beams.