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Voltage (V): 220V 50Hz
accurately colored model will be an excellent student reference during their frog dissection laboratory
Rectangular hole diffraction
in a one-dose tube
The Fetus is detachable for closer examination
1pcs Double Convex Lens | 75mm Diameter and 300mm Focal Length Cylinders Voltage (V): 220V 50HzHigh 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.
