Posted by: thiagokorsa on: January 6, 2009
A telescope is an instrument designed for the observation of remote objects by the collection of electromagnetic radiation. The first known practically functioning telescopes were invented in the Netherlands at the beginning of the 17th century. Today have a lot of supplies to telescopes, like: Eyepieces, filter, lense, mirror, prism and holder. In this big [...]
Posted by: thiagokorsa on: January 6, 2009
A monocular is a modified refracting telescope used to magnify the images of distant objects by passing light through a series of enses and prisms; the use of prisms results in a lightweight telescope. Volume and weight are less than half those of binoculars, making it easy to carry. In this big store, you can [...]