National Geographic CF700mm User Manual

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1
RISK to your child!
Never look through this device directly at or near the sun. There is a
risk of BLINDING YOURSELF!
Children should only use this device under supervision. Keep
packaging materials (plastic bags, etc.) away from children. There is
a risk of SUFFOCATION!
Fire/Burning RISK!
Never subject the device - especially the lenses - to direct sunlight.
Light ray concentration can cause fires and/or burns.
RISK of material damage!
Never take the device apart. Please consult your Customer Service if
there are any defects. The dealer will contact our service centre and
send the device in for repair if needed.
Do not subject the device to temperatures exceeding 140 F.
TIPS on cleaning
Clean the lens (objective and eyepiece) only with a soft lint-free cloth
(e.g. micro-fibre). Do not use excessive pressure - this may scratch
the lens.
Dampen the cleaning cloth with a spectacle cleaning fluid and use it
on very dirty lenses.
Protect the device against dirt and dust. Leave it to dry properly after
use at room temperature. Then put the dust caps on and store the
device in the original gift box.
RESPECT Privacy!
This device is meant for private use. Respect others’ privacy – do not
use the device to look into other people’s house, for example.
DISPOSAL
Dispose of the packaging material/s as legally required. Consult the
local authority on the matter if necessary.
CF700mm
Telescope
CAUTION:
Never attempt observing the sun with this telescope! Especially keep it in mind while the telescope is used by children! Observing the
sun – even for a very short time – will cause blindness! Packing material (plastic bags, etc.) has to be kept out of reach of children!

National Geographic CF700mm Specifications

General

Optical Design	Refractor
Aperture	70mm
Focal Length	700mm
Focal Ratio	f/10
Mount Type	Altazimuth
Eyepiece Barrel Size	1.25 inches
Finder Scope	5x24
Tripod	Aluminum
Included Eyepieces	20mm, 10mm

Summary

General Safety and Precautions

Sun Observation Hazard

Critical warning against observing the sun, which causes instant and irreversible blindness.

Child Safety and Packaging Risks

Precautions for children, including supervision and keeping packaging material away from them to prevent suffocation.

Fire and Material Damage Warnings

Risks of fire from direct sunlight and damage from disassembly or extreme temperatures exceeding 140 F.

Cleaning and Maintenance Advice

Instructions for cleaning lenses with soft cloths and protecting the device from dirt and dust.

Usage Privacy and Disposal

Guidelines on private use and proper disposal of packaging materials according to local regulations.

Telescope Setup and Operation

Parts Listing and Verification

A list of all components to check after unpacking to ensure completeness before setup.

Initial Setup Guide

Step-by-step instructions for assembling the tripod and mounting the telescope.

Red Dot Viewfinder Alignment

Procedure to align the red dot finder scope with the telescope for accurate pointing.

Telescope Usage Instructions

How to use tension knobs and slow motion controls for aiming and tracking objects.

Cleaning and Maintenance Best Practices

Recommendations for cleaning optics and protecting the telescope's performance over time.

Troubleshooting Common Issues

Solutions for problems like no picture, blurred image, or difficulty focusing.

Astronomical Observation Targets

Terrestrial Observation Practice

Guidance on using terrestrial objects for practicing focus and scanning techniques.

Observing the Moon

Information about Earth's natural satellite, including its characteristics and phases.

Viewing Deep Sky Objects

Details on observing nebulae like Orion (M 42), Ring (M 57), and Dumbbell (M 27).

Telescope Glossary and Support

Telescope Terminology Definitions

Explanations of key optical terms like Focal Length, Eyepiece, and Magnification.

Customer Support Information

Contact details and troubleshooting advice for common issues.