ORION TELESCOPES & BINOCULARS StarBlast AutoTracker 10140, Instruction Manual

Page 1: ...676 1343 E mail support telescope com Corporate Offices 831 763 7000 89 Hangar Way Watsonville CA 95076 Providing Exceptional Consumer Optical Products Since 1975 Orion StarBlast 114mm AutoTracker 101...

Page 2: ...ameter eyepieces a 25mm and a 10mm The longer the focal length i e the larger the number the lower the eyepiece power or magnification and the shorter the focal length i e the smaller the number the h...

Page 3: ...e or roof chimney and center it in the telescope s eyepiece The object should be at least 1 4 mile away Now turn on the EZ Finder II and look through it Without moving the main telescope use the EZ Fi...

Page 4: ...can see before determining the field of view you must calculate the magnification Using the example in the previous section we can determine the field of view using the same 25mm eyepiece The 25mm eye...

Page 5: ...e power is all you need to see them Visually they are too faint to reveal any of the color seen in long exposure photographs Instead they appear grayish And because of their low surface brightness the...

Page 6: ...til it is completely dry Then reinstall the mirror cell in the telescope optical tube with the screws To minimize the need to clean your telescope replace all lens covers once you have finished using...

Page 7: ...e optics are collimated Another even easier and more precise way to collimate your reflector is to use a laser collimator such as the Orion LaserMate II Deluxe collimator sold separately It comes with...

Page 8: ...ass If a group of three or more stars revolve around one another it is called a mul tiple system It is believed that approximately 50 percent of all stars belong to binary or multiple systems Systems...

Page 9: ...om the focal plane of the telescope to be in focus This means when you focus one parfocal eye piece all the other parfocal eyepieces in a particular line of eyepieces will be in focus Parsec The dista...

Page 10: ...10 Time Zones...

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Page 12: ...12 Sky Maps...

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Page 18: ...rranted instrument that proves to be defective provided it is returned postage paid Proof of purchase such as a copy of the original receipt is required This warranty is only valid in the country of p...