Model Physical Eye 49x5.5x18 cm 2.45 kg ,Each

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Model physical eye 49x5.5X18 cm 2.45 Kg^ model, physical eye, can be used to demonstrate the optical functions of the human eye, half eyeball with adjustable iris diaphragm, lens holder and 2 convex lenses (f = 65 mm and 80mm), on a rod, dimensions: 49 x 5.5 X 18 cm, weight: 2.45 Kg