This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Magnification simply depends on eye piece -Can change it in and out Types of Telescopes 1) Refractor uses systems of lenses Advantages Easy to align and to keep clean (air tight) Disadvantages limit on size of lens (too large will deform), tends to be small, and chromatic aberration (makes things blurry, however, fairly easy to correct) 2) Reflector uses mirrors to focus light Advantages can support mirror from below, can make arbitrarily large, less prone to imperfections , and no chromatic aberration Disadvantages easier to get out of alignment, hard to clean (not air tight), form diffraction patterns/spikes 3) Compound combination/hybrid of refraction and reflector (has lens and mirror)...
View Full Document
- Spring '09