Art No: #SYS12-50-1820 Optick's 30X Pocket Microscope A best-seller! Lightweight, illuminated microscope with sliding focus. Requires 2 AAA batteries. Sturdy plastic case. Easy to use…a great first microscope for youngsters! Ages 8+
		Art No: #SYS12-50-1830 Optick's Dissecting microscope provides a wonderful introduction to microscopy. 45 degree, 360 degree rotatable monocular head. 10x (18mm) eyepiece with 4x(58mm) objective gives 40 power. Smooth rack and pinion focuser. Ages 6+.
		Art No: #SYS12-50-1840 Optick's An excellent introduction to microscope projects and experiments. Attractive, well-designed, easy-to-use format with color drawing and photos. Ages 10+
rt No: #SYS12-50-1850 1. Determinin plant and fruit maturation in field by sugar content. 2. Researching effect of seed selection and fertilization on sweetness of plant. 3. Allowing sugar refineries, canneries, distilleries and the beverage factories use of this instrument for raw material checks, quality control and more. 4. Measuring the sugar content of a liquid for medical purposes, such as diabetes. This portable refractometer is a precision optical instrument which is specially made for the measurement of sugar content. It is characterized by small volume, light weight and easy operation, and it can be used from all sides. Some applications of this refractometer are:
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