Zhumell Kepler User Manual Download | Manualshive

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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 from you soon.

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Summary of Contents for Kepler

Page 1: ...KEPLER 152...

Page 2: ...telescopes require some technical knowl edge of stellar movement and optical properties We have tried to provide the basics of telescope use and astronomical viewing in this manual If after reading th...

Page 3: ...or 2 Finder Scope 8x50 Mount Type EQ5 Equitorial MOUNT Materials Aluminum R A Adjustment Manual Worm Gear Dec Adjustment Manual Worm Gear Clock Drive Axis R A and Dec Clock Drive Power 2 9V Batteries...

Page 4: ...ical 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 Alignment Scope 14 Latitude Scale 15 Latitude Adjust...

Page 5: ...ion and soft lint free cloth Do not rub elements when cleaning Blot optical components gently and allow telescope to air dry Store telescope in box when not in use Do not use alcohol or solvents to cl...

Page 6: ...crew 3 Locate the mount alignment prong extend ing up from the north leg of the tripod la belled with an N above the leg Also locate the mount rotational stabilization thumbscrews below the front lati...

Page 7: ...thumbscrews on the counterweights until shaft opening in the counterwiegt is completely unobstructed With the thumbscrew pointing down slide the counterweight up the counterweight shaft and tighten c...

Page 8: ...he optical tube assembly by the attached handle near the focuser and set it into the optical tube mounting rings guiding it with your other hand Close the optical tube mounting rings and retighten the...

Page 9: ...ece receptacle thumbscrew to secure eyepiece 13 To use a 2 eyepiece or image diagonal 2 1 25 adapter thumbscrews near the end of the focuser Remove the 2 1 25 adapter Insert desired 2 image diagonal o...

Page 10: ...the Motor Connection Cord into the receptacle at the base of the plastic housing on the R A drive of the mount Place 4 D cell batteries into the battery pack and plug the power cord from the battery p...

Page 11: ...ition in the Southern Hemisphere the switch should be set to the lower position The speed setting should be adjusted while viewing to help keep stars centered in the field of view You may have to incr...

Page 12: ...ng your telescope SOM E NOT ES O N V IEWING Never look at the sun without using a solar filter When using a solar filter do not remove the full lenscap view only through the small opening in the lensc...

Page 13: ...tube assembly try adjusting the counterweight position up or down to properly balance the telescope The optical tube assembly should move very easily Do not force the optical tube assembly as you may...

Page 14: ...iopeia the Queen will allow you to properly align your telescope In the Southern Hemisphere you will need to use a star chart to find stars near the meridian and the ce lestial equator so that you can...

Page 15: ...olar alignment scope The objective of the polar alignment scope should be directly above the north leg of the tripod labelled with an N Turn the telescope tripod and all so that the front of the mount...

Page 16: ...4 since Sydney lies at 34 S latitude this will point you roughly at the southern celestial pole 1 Having already roughly aligned your telescope loosen the declination clamp and swivel telescope until...

Page 17: ...t of your clock drive speed setting and can be corrected by adjusting the clock drive speed 5 Unengage the clock drive Loosen the right ascension clamp and rotate the telescope back 6 hours opposite t...

Page 18: ...nd the polar axis 12 hours in Right Ascension until the finder is on the opposite side of the telescope If the optical axis of the finder is parallel to the polar axis of the mount then Polaris will n...

Page 19: ...Alkaid the last star in the Big Dipper To acheive accurate polar alignment the polar axis of the telescope must now be lined up with the north celestial pole 2 Loosen the R A and Dec axis clamps and a...

Page 20: ...u will be viewing 58 for Dubhe 63 for Acrux Retighten the clamp to lock the declination in place 2 Loosen the right ascension clamp and rotate the telescope on the R A axis until the star you are usin...

Page 21: ...re mm Ex Focal Ratio of a 70x900mm telescope Focal Ratio F x 900mm 70mm Focal Ratio F x F 12 8 Limiting Magnitude To determine the limiting magnitude of a telescope use the aperture in the following f...

Page 22: ...l equator The vernal equinox is where right ascension is at 0 h hours The autumnal equinox can be found at 12 h R A ZEN ITH The zenith is the point in the celestial sphere directly above your head The...

Page 23: ...e Visually the smaller the focal ratio also called f stop of a telescope the wider the field of view Photographically the lower the f stop the shorter the exposure time needed to capture an object on...

Page 24: ...ages Least expensive per inch of aperture Reasonably compact and portable Low in optical aberrations Excellent for faint deep sky objects Disadvantages Not suitable for terrestrial viewing Require fre...

Page 25: ...to focus at the eye piece which extrudes either out the side of the optical tube or through a hole in the center of the primary mirror Catadioptric telescopes provide a wider field of view than reflec...

Page 26: ...hy we love you and a flaw that you have noticed may be hard to find by our techni cian A letter will speed up the warranty process and save a phone call Oh yes please include your phone number and an...

Page 27: ...mm Pl ssl 0 965 12 5mm Pl ssl 0 965 17mm Pl ssl 0 965 20mm Pl ssl 0 965 25mm Pl ssl 1 25 6 3mm Pl ssl 1 25 7 5mm Pl ssl 1 25 10mm Pl ssl 1 25 12 5mm Pl ssl 1 25 17mm Pl ssl 1 25 20mm Pl ssl 1 25 25mm...

Page 28: ...es 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 from you soon SPO RT O PT IC S 30 E SUPER...

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