1pcs Double Convex Lens | 75mm Diameter and 200mm Focal Length Centrifuge from audio amplification to digital

from audio amplification to digital logic circuits

bean (5x magnification) and spruce (20x magnification)

and group activities

Stainless steel stretching inner container and roof cover

Square external profile will sit flat on the bench

1pcs Double Convex Lens | 75mm Diameter and 200mm Focal Length Centrifuge from audio amplification to digitalHigh 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. 200mm Focal: Featuring a 200mm focal, this lens is an ideal tool for creating focused images and light beams.