1pcs Double Biconcave Lens | 75mm Diameter and 300mm Focal Length Instruments Output accuracy: Voltage: 0

Output accuracy: Voltage: 0

Give your students the chance to see the solar system in action

Needle Length 11cm

the model can focus an image on the retina

this Double Convex Lens is designed to last and provide accurate and reliable results in a variety of scientific applications

1pcs Double Biconcave Lens | 75mm Diameter and 300mm Focal Length Instruments Output accuracy: Voltage: 0High 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. 300mm Focal Length: Featuring a 300mm focal length, this lens is an ideal tool for creating focused images and