FIGURE 128: A - Aplanatic three-mirror telescope 3A with spherical concave primary and secondary, and with ellipsoidal (prolate ellipsoid) concave tertiary. Small diagonal flat (DF) placed in the focal zone of the secondary mirror directs the light out to the side, where is located tertiary mirror; it forms the final focus out at the opposite side. Homemade Telescope: Here's my first Instructable on how to make a homemade telescope! It's simple and easy to make AND use. Yet the same method works for drawing a ray diagram for any object location. 1. From the experiment, makeup mirror can use to be a telescope mirror but the picture is not clear as the real telescope mirror, but it is cheapest. - cutting secondary mirror from makeup mirror To imagine how a professional telescope works. MATERIALS: -a concave mirror (with some magnification), like the ones you have in the bathroom. I had found out that putting a magnifying and minimizing glass together gave the sort of effect that you have in telescopes. Most Newtonian primary mirrors have either a spherical or a parabolic shaped concave face. The heart of the Newtonian telescope is its primary mirror. The mirror at the Gran Telescopio Canarias, Observatorio Roque de los Muchachos, Making a reflector telescope GOAL: To build a simple reflector telescope and note its use of mirrors. If you are buying a mirror, make sure it is parabolic, not spherical. The method for drawing ray diagrams for concave mirror is described below. Most amateur telescope makers (ATMs) build a Newtonian telescope, a design named for its inventor, Sir Isaac Newton. Unlike most other mirrors in your home, the mirror coating of a - Remove the 2 side of a makeup mirror to be a concave lens and a secondary mirror. The mirror is the hardest part. The method is applied to the task of drawing a ray diagram for an object located beyond the center of curvature (C) of a concave mirror. It needs to be a precisely figured paraboloid.
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