Professional Shruti Box from Calcutta with the unique even sound, 440 Hz
2 telescopes, the conventional 4x and a 10x high power chromed brass...
16x magnification, 25 mm objective, heavy solid brass contruction. Gorgeous piece!
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This is a very beautiful 16" (40 cm) Boy Scout Telescope in the vintage spyglass style. This 25 mm. telescope has ground glass optics and produces a sharp image; it focused by altering the length of the telescope by pushing and pulling. A treasure that is sure to impress the most distinguishing telescope collector.
Magnification is 16X and is designed keeping in view the requirements of a nautical scope - I.e., greater field of view. More the magnification, less expansive is the field of view and for a nautical scope this 16x specification coupled with the 25 mm lens gives the best combination of steadiness and field of view with satisfactory magnification.
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