How the Toolmakers
Microscope works
Like a conventional light microscope, the toolmakers microscope is
also dependent on optics. Light from the source is focused (upward) on to the
object, which allows the user to see the shadow of the object (because light
cannot pass through the object). However, the shadow resembles the object,
which allows for measurements to be made.
The level of magnification with this particular device is largely
dependent on the objective being uses. However, it is often supplied with
facilities to provide a magnification range of between 10x and 100x. Whereas
low magnification allows for most part of the object under observation to be
viewed, high magnification provides a clear image (with adjustments of light)
for good measurements.
To adopt the microscope for a variety of applications, a variety
of attachments may be required. Given that the image (shadow of object) has to
represent the true details of the object (detail, shape and even color with some
specimens) it also uses a variety of special accessories and techniques,
filters, lens coatings and diaphragms, which are meant to affect the raw image
for more accurate information.
https://youtu.be/5GS6MAPx598
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