Need higher magnification than provided by the hand lenses, but you do not want to carry 30 lbs worth of microscope and accessories?  These compound microscopes are lightweight and clip to your pocket.  Each microscope contains a precise four-lens optical system that provides ultra sharp definition and high power magnification.  The optics are specially designed to give a flat, undistorted field larger and brighter than those magnifiers of similar type and power.  Provides an inverted image.  Body is 7/16" by 4-7/8", with a satin aluminum finish, and weighs under 1 oz!  K 3029 is 20x, K 3030 is 20x with a 0.05mm scale, K 3031 is 40x with a 0.02mm scale, K 3032 is 50x, K 3035 is 50x with a 0.02mm scale, K 3033 is 75x, and K 3034 is 100x.  Complete with vinyl case.  Shipping weight 12 oz.