Meade ETX-125PE Bedienerhandbuch

Meade Instruments CorporationInstruction ManualETX-90EC Astro TelescopeETX-125EC Astro Telescope

CHAPTER2z10TELESCOPE FUNDAMENTALSEquatorial mounts are highly desirable in the operation of anytelescope used for extensive astronomical applications,

CHAPTER2z11TELESCOPE FUNDAMENTALSTHE ELECTRONIC CONTROLLERBriefly described on page 6, the Electronic Controller is theprimary device used to move ETX

12Chapter 3: POLAR ALIGNMENTAPTER3For extensive astronomical observing, the telescope is bestmounted in the polar configuration. In polar align

4. Each table tripod is equipped with twoadjustable tripod legs: The standard tripodleg is used at observing latitudes as shown inthe box in ste

z14Chapter 4: OBSERVINGCHAPTER4OBJECTS IN SPACEListed below are some of the many astronomical objects that canbe seen with either ETX model telescope.

z15OBSERVINGCHAPTER4PHOTOGRAPHY WITH BOTH ETX MODELSPhotography through either ETX model requires the addition of theoptional #64 T–Adapter (see OPTIO

z16Chapter 5: OPTIONAL ACCESSORIESCHAPTER5A wide assortment of professional Meade accessories isavailable for both ETX model telescopes. Meade a

z17OPTIONAL ACCESSORIESCHAPTER5The Meade #126 2x Barlow lens is an achromatic, high-performance, short-focus Barlow Lens, perfectly suited to thelow-p

Important Note: In the most discriminating applications, suchas long-distance observing of delicate bird feather-structure,both ETX models’ internal,

General MaintenanceBoth ETX model telescopes are precision optical instrumentsdesigned to yield a lifetime of rewarding applications. Given thecare an

1 281495111012618(on leftfork arm)161741913157(on both sides)1. Eyepiece2. Viewfinder:ETX-90EC: 8 x 21mm Erect-Image ViewfinderETX-125EC: 8 x 25mm Rig

z20MAINTENANCE AND SERVICINGCHAPTER6Unable to see an image through the eyepiece:• Confirm that the lens cover has been removed from thetelescope.• Con

z21TELESCOPE SPECIFICATIONSCHAPTER6Specifications:ETX-90EC Astro TelescopeOptical design . . . . . . . . . . . . . . . . . . . Maksutov-CassegrainPrim

z22Appendix A:TRACKING MOTOR SPEEDAPPENDIXAIn the polar mode the Electronic Controller normally tracksobjects at the sidereal rate (see Sidereal Rate,

APPENDIXBz23Appendix B: HELPFUL CHARTSLatitude Chart for Major Cities of the World To aid in the polar alignment procedure (see page 12), latitudesof

z24Appendix C: PRECISE POLAR ALIGNMENT; SETTING CIRCLESAPPENDIXCPrecise Polar AlignmentI m p o r tant note: For almost all astronomical observ i

APPENDIXDz25Appendix D: ROADMAP TO THE STARSThe night sky is filled with wonder and intrigue. You too canenjoy exploring the universe simply by follow

z26Appendix E: YOU AND THE UNIVERSEThe distances between galaxiesMilky Way Galaxy Andromeda Galaxy (M31)Whirlpool Galaxy (M51)The Sun2.2 million light

MEADE LIMITED WARRANTYEvery Meade telescope, spotting scope, and telescope accessory is warranted by Meade Instruments Corporation (“Meade”)to be free

Ver. 0300 ETX®is a registered trademark of Meade Instruments Corporation. Part no. 14-1010-20Meade Instruments Corporation6001 OAK CANYON, IRVINE, CAL

Quick-Start Guide . . . . . . . . . . . . . . . . . . . . . . . . . . .4Chapter 1: Getting Started . . . . . . . . . . . . . . . . . .5Introduction .

Remove the ETX from its packaging and place it on asturdy surface. Place the eyepiece (A) and viewfinder(B) into their appropriate positions on the te

INTRODUCTIONA Meade ETXAstro Telescope is an extremely versatile, high-resolution imaging system that, with advanced features similarto larger and mor

z6GETTING STARTEDCHAPTER1TELESCOPE FEATURESQuick Tips• Rotational Limits: The telescope base and fork mount aredesigned with internal “rotational limi

Indicator Lights (2, Fig. 6): Four red LED (Light EmittingDiode) lights are used to indicate the current slew speed.NOTE: For purposes of this manual,

THE VIEWFINDERAs with most astronomical telescopes, both ETX modeltelescopes present a fairly narrow field of view to the observer.As a result

CHAPTER2z9Chapter 2:TELESCOPE FUNDAMENTALSINTRODUCTIONBoth ETX model telescopes can be used for immediateobservation right out of the box. How