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.