This microscope is for use with Discovering Design with Biology. This is not required if you are not doing the microscope experiments. If you need a microscope slide set also you might want to consider the Biology Complete Microscope Lab Kit All-metal body construction Monocular head with ergonomic 45° incline, 10X Wide-field ocular lens and 360° rotation Triple-revolving nose piece featuring achromatic 4X, 10X, and 40X objective lenses Dual-layer mechanical stage and clip for precise slide movements (makes moving slides easy and accurate!) Abbe condenser (0.65 N.A.) for better contrast adjustment Transmitted light from a variable-intensity LED Coaxial coarse and fine adjustment with safety stop Power via plug-in adapter (included) or by 3 AA batteries (not included)
