AmScope 40X-1000X Microscopio per studenti con obiettivo in vetro e cornice in metallo + fotocamera, diapositive
Five Levels of Magnification: 40X, 100X, 250X, 400X and 1000X. The book investigates the enormous variety of objects too small for the eye to see. Step-by-step diagrams show how to get the best from a microscope and how to make and keep slides.