Zhumell Kepler User Manual

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KEPLER 152 ...

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WARNINGS •Do not use telescope or finderscope to look at the sun without an appropriate solar filter. •Make sure no screws are loose before using telescope. •Do not drop, shake, or throw your telescope as doing so may damage the telescope or ...

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SPECIFICATIONS OPTICAL TUBE ASSEMBLY Type Refractor Objective (mm) 152 Focal Length (mm) 1200 Highest Useful Magnification 360x Resolving Power 0.92 Limiting Magnitude (Visual) 12.8 Limiting Magnitude (Photographic) 10.8 Focal Ratio F/7.9 Eyepiece F...

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1. Tripod 2. Mount Assembly 3. Optical Tube Assembly 4. Eyepiece 5. Finderscope 6. Optical Tube Mounting Belt 7. Focuser 8. Image Diagonal 9. Dec. Adjustment Knob 10. Dec. Axis Release 11. Declination Scale 12. Hour Circle (R.A. Scale) 13. Polar Alig...

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C ARE OF YOU R T ELESCO PE A telescope is carefully aligned during construction and great care should be taken to maintain this alignment over the life of the telescope. Cleaning should be done as little as possible and then only with a mild soap ...

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T ELESCO PE ASSEMB LY 1. Extend tripod legs to comfortable working height and tighten wingnuts to ensure stabil- ity. Separate tripod legs and ensure that the legs are extended to equal heights. The top of the tripod should be level to ensure stab...

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6. Holding the counterweight shaft, turn the Dec. axis cap attached to the shaft clockwise (looking at the large end of the cap) until it stops. Insert the shaft into the counter-weight shaft socket and screw the shaft into the socket unti secur...

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8. Loosen the two thumbscrews located at the top of the mount to allow the optical tube mounting rings to be inserted in the groove. Place the optical tube mounting rings into the groove and tighten the large thumbcrew until the end of the screw...

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12. To use a 1.25“ image diagonal, loosen eye- piece receptacle thumbscrew at end of focuser. Remove dustcover from eyepiece receptacle. Insert chromed end of image diagonal into the eyepiece receptacle. Re-tighten eyepiece receptacle thumbscre...

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CLOCK DRIVE CONTROLS Direction and Speed Controls Hemisphere and Power Setting Battery Pack Connection Motor Connection Cord CONNECTING THE HAND CONTROLLER To use the clock drive, connect the havd controller by plugging the Motor Connection Cord i...

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USING THE CLOCK DRIVE The clock drive included with your telescope is designed to track the move- ment of stars. It will help keep stars in your field of view during long periods of viewing as long as the telescope is properly polar aligned and the ...

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F IND ERSCO PE ALIGNM ENT 1. Insert the lowest power eyepiece into the eyepiece adapter. Focus eyepiece to view an easily recognizable distant object (car license plate, sign, table, etc.). 2. Look through finderscope being careful not to move the...

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B EGINNING O B SERV AT IO N For beginning observation, the moon is one of the easiest and most enjoy- able objects to view. You can acquaint yourself with the movements of the telescope by simply pointing the telescope at the moon and using the vari...

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ADV ANC ED O B SERV AT IO N ST AR C H ART S AND SETT ING C IRC LES Star charts and setting circles will allow you to find the location of any known celestial objects viewable by your telescope. By using the measurements listed on the mount and th...

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NO RTH ERN H EM ISPH ERE PO LAR ALIGNM ENT 1. To align your telescope in the N orthern Hemisphere, first find the location of Polaris in the night sky. You can easily find polaris by using the Big Dipper to “point” at Polaris. The two stars ...

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SOUTHERN HEMISPHERE & STAR DRIFT POLAR ALIGNMENT Polar alignment in the Southern Hemisphere is more difficult that in the N orthern Hemisphere because there is no corresponding pole star to use for alignment in the Southern Hemisphere. Polar al...

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2. Find a bright star in the viewfinder of your telescope and use the R.A. and Dec. adjustment cables to center it in the crosshairs. Work up to your most powerful eyepiece, centering the star in the viewfinder each time you replace the eyepiece. ...

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PO LAR ALIGNM ENT U SING TH E F IND ERSCO PE Another method of alignment will work better for aligning your telescope without the use of a motor drive. The finderscope alignment uses your finderscope to align your mount to the celestial pole. As y...

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1. While looking through the finderscope (with Polaris still centered in the cross hairs) adjust the mount with the latitude and rotational adjustment screws until Polaris moves toward Alkaid. How far to move Polaris will de- pend on the field of v...

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F IND ING C ELEST IAL O BJ ECT S Once your telescope is polar aligned, you must set the hour circle in order to use the measurements listed on the mount to find celestial objects. Once the hour circle is properly set, you will be able to use the co...

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AST RO NOMY F OMU LAE Magnification To determine the magnification of a telescope and eyepiece combina- tion, divide the telescope focal length be the eyepiece focal length. Magnification (x) = Telescope Focal Length (mm)/Eyepiece Focal Length (mm) ...

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AST RO NOMY T ERM INO LO GY DECLIN ATION (DEC.) - The astronomical equivalent of latitude. Declination describes the angle of a celestial object above or below the celestial equator. The sky over the northern hemisphere has a positive declination...

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T ELESCO PE T ERM INO LO GY OBJECTIVE - The objective is the front lens of a telescope. The measurement listed for objec- tive lenses is the diameter of the lens. A larger objective allows more light to enter a telescope and provides a brighter imag...

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C O MM O N T ELES CO PE D ESIGN S Refractor Telescopes R efractor Li g ht Path Dia g ra m A d vantages • Eas y to use an d reliable d esign • Little or no maintenance require d • Hig h contrast images • N...

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Refractor Telescopes Refractor telescopes use a series of concave and convex lenses to bend light coming in the objective lens to a focus at the eyepiece. The light path travels straight through the optical tube without any mirrors needed to redire...

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THE ZHUMELL WARRANTY We have designed Zhumell products to be durable and to offer excellent value. Because we think it is important to stand behind that statement what follows are the details of our warranty, one of the best warranties in the indus...

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Z HUM ELL AST RO NOM IC AL PRODUCT S REF RACTO R T ELESCO PES 60x350 Ion 60x600 Zenith Aurora 70 K epler 152 REF LECTO R T ELESCO PES Eclipse 114 Tycho 254 AST RO NOM IC AL B INOCU LARS 20x80 Super Giant 25x100 Tachyon IM AGE D IAGO NALS 1.25“ to 1...

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Please enjoy your Zhumell telescope. If you have any questions, comments, or stories about expe- riences with your Zhumell telescope, we would like to hear them. We are confident that you will be pleased with your new Zhumells and hope to hear fr...