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The stereo microscopes from model 40 series are very similar to the model 30 series.There are, however, some extra features that make it an ideal choice for more demanding users.It is slightly larger because it contains larger prisms and thus improved optics.The top and bottom illumination can be used simultaneously and the top light source is equipped with a halogen bulb The optical head rotates 360° for convenient viewing and the magnification is changed via a 90° rotating turret.The model 40 comes in two variants that only differs with regards to the magnification.The model 40B has 10x and 30x magnification.

Robust low-priced hobby/student microscope with simple optical glass objectives mounted on a revolving nosepiece. It comes with a plastic vertical stage with stage clips and a 6-hole disc condenser.

The eyetube is mounted at a 45 degree angle for comfortable viewing and has a wide-field eyepiece with built-in pointer. In addition to the traditional bottom light the microscope is provided with a top light, and is thus also suited for observation of surfaces of leaves, coins, insects etc.

A simple microscope ideal for hobby use and for smaller children.The simplicity of the design makes it a good choice as an introduction to microscopes or as a supplement to the traditional school microscopes.