Quote:
Originally Posted by
bekko 
Grant, you multiply the magnification of the eyepiece (ocular) by the magnification of the objective lens on the rotating turret below to get the total magnification. Your objectives lenses are 4X, 10X and 40X. Your eyepiece is probably 10X but check to be sure. It will be marked on the outer edge. Therefore, your total magnification is 40x, 100X and 400X for the three objectives on the rotating turret.
-ste