National Geographic 80-40071 Instruction Manual Download

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Notes:

Troubleshooting Guide:

No picture

Remove dust protection cap and sun-shield from the objective opening.

Blurred picture

Adjust focus using focus ring.

No focus possible

Wait for temperature to balance out.

Bad quality

Never observe through a glass surface such as a window.

Viewing object visible in the finder, but not

through the telescope

Align finder to telescope (see instructions)

Despite using star diagonal prism the picture is

“crooked”

The star diagonal prism should be vertical in the eyepiece connection.

Summary of Contents for 80-40071

Page 1: ...mallparts Notforchildrenunder3years WARNING Containsbuttonorcoincellbattery Hazardousifswallowed seeinstructions WARNING INCLUDED X1 CR2032 3V Optical design Magnification with 2x Barlow lens Front le...

Page 2: ...ention SAFETY WARNINGS Respect privacy When using this device respect the privacy of other people For example do not use them to look into people s homes Choking hazard Children should only use device...

Page 3: ...1 4b2 4a 6a 5a 5b 5c 6b 8 11 9a 9b 7a 7b 9c 10a 10b 10c 10d How To Set Up Note We recommend assembling your telescope for the first time in the daylight or in a lit room so that you can familiarize yo...

Page 4: ...f the path the light travels from the surface of the lens to its focal point The focal point is also referred to as the focus In focus the image is clear In the case of a telescope the focal length of...

Page 5: ...your telescope After you have aligned your viewfinder you are ready to start observing Put the 26 mm eyepiece into the diagonal to get the widest field of view This wider field of view will make it ea...

Page 6: ...rvatories and the Hubble Space Telescope When talking about Orion we re actually referring to the main part of a much larger cloud of hydrogen gas and dust which spreads out over half of the Orion con...

Page 7: ...using focus ring No focus possible Wait for temperature to balance out Bad quality Never observe through a glass surface such as a window Viewing object visible in the finder but not through the teles...

Page 8: ...SAFETY REQUIREMENTS OF ASTM F963 2017 National Geographic Partners LLC All rights reserved NATIONAL GEOGRAPHIC and Yellow Border Design are trademarks of the National Geographic Society used under li...