Image:Telescope-schematic.png

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Description	Schematic drawing demonstrating how a telescope works (Keplerian or astronomical telescope) Deutsch: Prinzipieller Strahlengang im Astronomischen Fernrohr. Das Objektiv (1) erzeugt vom Objekt (4) ein reelles, umgekehrtes Zwischenbild (5), das man mit einer "Lupe" (Okular 2) betrachtet. Das Auge (3) sieht ein winkelmäßig vergrößertes, virtuelles Bild (6) in scheinbar großer Entfernung (strichlierte Parallelstrahlen). English: Keplerian telescope, schematic
Source	Drawing created by myself as to test the drawing program of OpenOffice.org
Date	2005-Jul-09
Author	Michael Schmid
Permission ( Reusing this image)	Michael Schmid put it under Creative Commons Attribution ShareAlike 2.0 Austria License.
Other versions	Image:Telescope-schematic.sxd, the original OpenOffice.org file.

English

(1) Objective lens ( focal length $f 1$ )

(2) Eyepiece (aka. ocular; focal length $f 2$ )

(3) Eye

(4) Object (at a large distance)

(5) Real Image of the object at the focal plane of the objective lens (here, a film or CCD detector could be placed for photographing the object)

(6) Virtual Image of the object (as it appears to the eye)

(7) Tube

Deutsch

Strahlengang in einem astronomischen Fernrohr (Kepler'sches Fernrohr):

(1) Objektiv ( Brennweite $f 1$ )

(2) Okular ( Brennweite $f 2$ )

(3) Auge

(4) Objekt (in großer Entfernung)

(5) Reelles Zwischenbild in der Fokalebene des Objektivs (zum Fotografieren könnte hier der Film oder ein CCD-Chip platziert werden)

(6) Virtuelles Bild (das dem Auge erscheint)

(7) Fernrohrgehäuse

This file is licensed under Creative Commons Attribution ShareAlike 2.0 Austria License

Diese Datei ist lizenziert unter der Creative Commons-Lizenz Attribution ShareAlike 2.0 Österreich

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	Date/Time	Dimensions	User	Comment
current	18:49, 9 July 2005	1,229×689 (18 KB)	Schmid	(* Description: Schematic drawing demonstrating how a telescope works (Keplerian or astronomical telescope) * Source: Drawing created by myself as to test the drawing program of OpenOffice.org * Author: Michael Schmid)

File links

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Optical telescope

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