1pcs Double Biconcave Lens | 75mm Diameter and 100mm Focal Length Filtration Saturation current is positively rated

Saturation current is positively rated to intensity of light

solid strong

Use for friction or static in science activities

Consists of small magnet needles

This Deluxe Kit includes:

1pcs Double Biconcave Lens | 75mm Diameter and 100mm Focal Length Filtration Saturation current is positively ratedHigh Quality Glass: Made from durable and high quality glass, this Double Biconcave 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. 100mm Focal Length: Featuring a 100mm focal length, this lens is an ideal tool for creating focused images and