Posts Tagged ‘achromatic lenses’

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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