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heruntergeladen wurde: 6   Dateigröße: 4 mb   Hersteller: Celestron  
Kategorie: Optische Geräte
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If you find that the ring pattern is skewed in a different direction, than simply repeat steps 2 through 6 as described above for the new direction. Perfect collimation will yield a star image very symmetrical just inside and outside of focus. In addition, perfect collimation delivers the optimal optical performance specifications that your telescope is built to achieve. Figure 8-3 A collimated telescope should appear symmetrical with the central obstruction centered in the star's diffraction pa

heruntergeladen wurde: 4   Dateigröße: 4 mb   Hersteller: Celestron  
Kategorie: Optische Geräte
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22 = 6 = 64x = 7 = .5. / sec = 8 = 2. / sec = 9 = 3. / sec = Nine available slew speeds = 6 = 64x = 7 = .5. / sec = 8 = 2. / sec = 9 = 3. / sec = Nine available slew speeds S SSe eet ttu uup pp P PPr rro ooc cce eed ddu uur rre ees ss The Advanced GT contains many user defined setup functions designed to give the user control over the telescope's many advanced features. All of the setup and utility features can be accessed by pressing the MENU key and scrolling through the options: Tracking Mode

heruntergeladen wurde: 53   Dateigröße: 4 mb   Hersteller: Celestron  
Kategorie: Optische Geräte
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5 Setting up the Tripod..................................................................................................................................................7 Attaching the Equatorial Mount.................................................................................................................................8 Attaching the Center Leg Brace .................................................................................................................................8 Instal

heruntergeladen wurde: 1   Dateigröße: 490 kb   Hersteller: Celestron  
Kategorie: Optische Geräte
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Dies wird als „Einstellen der Pupillendistanz“ bezeichnet. Halten Sie hierzu das Fernglas (mit beiden Handen) vor die Augen und betrachten Sie durch das Fernglas ein Objekt in der Ferne. Bewegen Sie die beiden Fernglashalften am Gelenk, bis Sie mit beiden Augen einen deutlichen Bildkreis sehen. 2. Einsetzen der Batterien Ihr Fernglas verwendet 2 AAA-Batterien (vom Benutzer bereitgestellt). Offnen Sie die Tur des Batteriefachs, um die Batterien einzulegen. Die fur einen richtigen Betrieb erforder

heruntergeladen wurde: 7   Dateigröße: 702 kb   Hersteller: Celestron  
Kategorie: Optische Geräte
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Screw) P. Tripod Head G. Finderscope Q. Tripod Legs H. Tube Ring Adjustment Knob (hidden) - (not shown) R. Tripod Feet 1. Optical Window S. Clamp Lock — Vertical Adjustment J. Thumbscrew 2 1. INTRODUCTION Thank you for purchasing this Celestron 76mm (3") Tabletop Telescope. This telescope is a precision scientific instrument. With it you will enjoy numerous objects in the sky—planets, nebulae, star clusters, galaxies and other astronomical objects. The altazimuth mount is the simplest

heruntergeladen wurde: 53   Dateigröße: 865 kb   Hersteller: Celestron  
Kategorie: Optische Geräte
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Only those items that are different are labeled. FIGURE 2 NO. REQ’D. PART NO. DECRIPTION 1 1 TUBE 2 1 FOCUSER 3 1 FINDER SCOPE & BRACKET 4 1 12.5MM & 8MM EYEPIECE - 0.96 5 1 LENS CAP 6 1 2X BARLOW-0.96 7 1 FLEX CABLE 8 1 DEC SETTING CIRCLE 9 1 RA SETTING CIRCLE 10 1 EQUATORIAL MOUNT 11 1 TRIPOD HEAD 12 1 COUNTERWEIGHT 13 I COUNTERWEIGHT SHAFT 14 1 ACCESSORY TRAY 15 3 TRIPOD LEG 16 3 TELESCOPE LEG 17 3 RUBBER FEET 18 3 LEG CLAMP 19 PIVOT SCREW 20 3 TRIPO

heruntergeladen wurde: 4   Dateigröße: 865 kb   Hersteller: Celestron  
Kategorie: Optische Geräte
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There are various types of eyepieces of varying quality to choose from. B. Magnification through the telescope has its limits. These limits are determined by the laws of optics and the nature of the human eye. The maximum usable power is equal to 60 times the aperture of the telescope (in inches). So your telescope has a maximum useful power of 180x (3" x 60). If you purchased the 114mm model (4.5") then your maximum useful power is 270x (4.5" x 60). You can create power higher than this limit

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Kategorie: Optische Geräte
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Use a magnetic compass if you are not sure which way north is. 2. Make sure the mount is level. A carpenters level may be helpful. 3. Recheck all hardware and knobs to make sure all are tight. F. To focus the telescope and align the finderscope: 1. Remove the front lens cover (#5). 2. With a low power eyepiece tight in the eyepiece adapter (with its lens cover removed), position the telescope tube to look at any object about one mile or further away during the day. Put the object in the cen

heruntergeladen wurde: 5   Dateigröße: 275 kb   Hersteller: Celestron  
Kategorie: Optische Geräte
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There are several methods of polar alignment, all of which work on a similar principle, but are performed somewhat differently. For each hemisphere, there is a point in the sky around which all the other stars appear to rotate. These points are called the celestial poles and are named for the hemisphere in which they reside. For example, in the northern hemisphere all stars appear to move around the north celestial pole (see figure 6). When the telescope’s polar axis is pointed at the celestial

heruntergeladen wurde: 4   Dateigröße: 1 mb   Hersteller: Celestron  
Kategorie: Optische Geräte
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This will help to familiarize you with your telescope, thus making it easier to use at night. Daytime Observing 1. Find a distant object that is fairly bright. 2. Insert the standard 20mm eyepiece into the diagonal. 3. Locate the object in the finderscope. 4. Use the slow motion knobs to center the object in the field of the finder. 5. Look through the main optics and the object will be there (if you aligned the Star Pointer first). Try using different optional eyepieces to see how the fi





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