Description
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Model Telescope
Description
A simple model to show the working of astronomical telescope, comprising a plano- convex lens diameter 38 mm FL 100 mm, mounted in metal tube which slides in an outer tube of 400 x 42 mm, size, with a convex lens objective diameter 50 mm FL 500 mm, in case.
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Description
These are collapsible pocket magnifiers. The optical system is a single element, glass Double Convex Lens. The housing is made of machined, black high grade plastic for a high finish look. These magnifiers fold flat to fit in your pocket. Scales are etched on the inner faces of the viewerÂ’s base.
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