Achromatic Refracting Telescopes: The Lens to Correct Chromatic Aberration

Refracting Telescope Diagram

The invention of the telescope was one of the key inventions that allowed us to really begin to study space in detail.  Even though a basic telescope can seem like a relatively simple object, they were actually only invented relatively recently.  In fact, the evidence of the earliest concept of the modern telescope dates back to the early 1600’s – less than 500 years ago.  In this post, we are going to take a look at one of the earlier telescope types, the achromatic telescope.

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