National Geographic RT70400 Bedienungsanleitung

80-50070

10+

SUN HAZARD

— Never look directly at the sun

with this device.

WARNING:

CHOKING HAZARD

— Small parts.

Not for children under 3 years.

WARNING:

Contains button or coin cell battery.

Hazardous if swallowed

— see instructions.

WARNING:

The lens contains lead that may be harmful.

Wash hands after touching.

WARNING:

This product can expose you to chemicals including lead,

which is known to the State of California to cause cancer.

For more information go to www.P65Warnings.ca.gov.

WARNING:

RT70400

INSTRUCTION MANUAL

70 MM REFLECTOR TELESCOPE

W/ PANHANDLE MOUNT

INCLUDED

CR2032

Customer Service: Call 1-866-252-3811

• SUN WARNING:

WARNING: NEVER ATTEMPT TO OBSERVE THE SUN WITH THIS DEVICE! OBSERVING THE

SUN  EVEN FOR A MOMENT  WILL CAUSE INSTANT AND IRREVERSIBLE DAMAGE TO YOUR EYE OR EVEN

BLINDNESS. EYE DAMAGE IS OFTEN PAINLESS, SO THERE IS NO WARNING TO THE OBSERVER THAT THE

DAMAGE HAS OCCURRED UNTIL IT IS TOO LATE. DO NOT POINT THE DEVICE AT OR NEAR THE SUN. DO NOT

LOOK THROUGH THE DEVICE AS IT IS MOVING. CHILDREN SHOULD ALWAYS HAVE ADULT SUPERVISION WHILE

OBSERVING.

• RESPECT PRIVACY: WHEN USING THIS DEVICE, RESPECT THE PRIVACY OF OTHER PEOPLE. FOR EXAMPLE, DO NOT

USE IT TO LOOK INTO PEOPLE’S HOMES.

• CHOKING HAZARD: CHILDREN SHOULD ONLY USE DEVICE UNDER ADULT SUPERVISION. KEEP PACKAGING

MATERIALS LIKE PLASTIC BAGS AND RUBBER BANDS OUT OF THE REACH OF CHILDREN AS THESE

MATERIALS POSE A CHOKING HAZARD.

• RISK OF BLINDNESS: NEVER USE THIS DEVICE TO LOOK DIRECTLY AT THE SUN OR IN THE DIRECT PROXIMITY OF THE

SUN. DOING SO MAY RESULT IN A PERMANENT LOSS OF VISION.

• RISK OF FIRE: DO NOT PLACE DEVICE, PARTICULARLY THE LENSES, IN DIRECT SUNLIGHT. THE CONCENTRATION OF

LIGHT RAYS COULD CAUSE A FIRE.

• DO NOT DISASSEMBLE THIS DEVICE: IN THE EVENT OF A DEFECT, PLEASE CONTACT YOUR DEALER. THE DEALER

WILL CONTACT THE CUSTOMER SERVICE DEPARTMENT AND CAN SEND THE DEVICE IN TO BE REPAIRED IF

NECESSARY.

• DO NOT SUBJECT THE DEVICE TO TEMPERATURES EXCEEDING 60 °C 140 °F.

• DISPOSAL: KEEP PACKAGING MATERIALS, LIKE PLASTIC BAGS AND RUBBER BANDS, AWAY FROM

CHILDREN AS THEY POSE A RISK OF SUFFOCATION. DISPOSE OF PACKAGING MATERIALS AS LEGALLY

REQUIRED. CONSULT THE LOCAL AUTHORITY ON THE MATTER IF NECESSARY AND RECYCLE MATERIALS

WHEN POSSIBLE.

• THE WEEE SYMBOL IF PRESENT INDICATES THAT THIS ITEM CONTAINS ELECTRICAL OR ELECTRONIC

COMPONENTS WHICH MUST BE COLLECTED AND DISPOSED OF SEPARATELY.

• NEVER DISPOSE OF ELECTRICAL OR ELECTRONIC WASTE IN GENERAL MUNICIPAL WASTE. COLLECT AND

DISPOSE OF SUCH WASTE SEPARATELY.

• MAKE USE OF THE RETURN AND COLLECTION SYSTEMS AVAILABLE TO YOU, OR YOUR LOCAL RECYCLING PROGRAM.

CONTACT YOUR LOCAL AUTHORITY OR PLACE OF PURCHASE TO FIND OUT WHAT SCHEMES ARE AVAILABLE.

• ELECTRICAL AND ELECTRONIC EQUIPMENT CONTAINS HAZARDOUS SUBSTANCES WHICH, WHEN DISPOSED OF

INCORRECTLY, MAY LEAK INTO THE GROUND. THIS CAN CONTRIBUTE TO SOIL AND WATER POLLUTION WHICH IS

HAZARDOUS TO HUMAN HEALTH, AND ENDANGER WILDLIFE.

• IT IS ESSENTIAL THAT CONSUMERS LOOK TO RE-USE OR RECYCLE ELECTRICAL OR ELECTRONIC WASTE TO AVOID IT

GOING TO LANDFILL SITES OR INCINERATION WITHOUT TREATMENT.

BUTTON/COIN BATTERY WARNING: THIS PRODUCT CONTAINS A BUTTON OR COIN CELL BATTERY. A SWALLOWED

BUTTON OR COIN CELL BATTERY CAN CAUSE INTERNAL CHEMICAL BURNS IN AS LITTLE AS TWO HOURS AND LEAD

TO DEATH. DISPOSE OF USED BATTERIES IMMEDIATELY. KEEP NEW AND USED BATTERIES AWAY FROM CHILDREN. IF

YOU THINK BATTERIES MIGHT HAVE BEEN SWALLOWED OR PLACED INSIDE ANY PART OF THE BODY, SEEK IMMEDIATE

MEDICAL ATTENTION.

IMPORTANT SAFETY INSTRUCTIONS

READ AND FOLLOW THE INSTRUCTIONS BEFORE USE.

KEEP THESE INSTRUCTIONS FOR LATER USE.

6 7

Parts Overview

1. 70 mm Telescope

2. Optical Tub Assembly (OTA)

3. Red Dot Viewﬁnder

4. Focuser

5. Diagonal

6. Focus Wheel

7. Panhandle Alt-Azimuth Mount

8. 1.25” 20 mm & 10 mm Kellner Eyepieces

9. Smartphone Adapter

10. Travel Case

Available Downloads Visit:

www.esmanuals.com

What’s Included:

*phone not included

Assembly:

Note: We recommend assembling your telescope for the ﬁrst time in the daylight or in a lit room so

that you can familiarize yourself with assembly steps and all components.

• Open the tripod on a stable surface until the tripod spreaders are fully extended.

• Attach the telescope tube to the tripod head using the locating screw for altitude.

• Place your chosen eyepiece into the diagonal. We recommend starting with the 25 mm because it will

provide the widest ﬁeld of view.

Using/Aligning the Red Dot Viewﬁnder:

The viewﬁnder is powered by a CR-1620 battery that is included. Before using the viewﬁnder for the ﬁrst

time, remember to remove the plastic insulator that is blocking the battery from connecting.

When it is time to replace the battery, remove the battery cap by loosening the set screw. Take out the

old battery and slide a new battery in place with the positive side showing. Replace the cap, and tighten

the set screw.

For The Viewﬁnder To Be Eﬀective, It Must

Be Aligned. To do this:

• Insert the 25 mm eyepiece into the

diagonal and power on the viewﬁnder by

sliding the switch on its right side to an

“On” position.

• Point the eyepiece at an easy to identify

target like a tree that is approximately

200 yards away. Center the object in the

eyepiece. Lock the telescope into place by

tightening the panhandle.

• Without moving the telescope, position

the red dot using the two adjustment

screws so that it shares the same view as

the one in your eyepiece. The front screw

will move the viewﬁnder up and down, and

the other will move it side to side. Your

viewﬁnder is now aligned.

Note: To preserve battery life, don’t forget

to turn oﬀ the viewﬁnder after use.

Using Your Telescope:

After you have aligned your viewﬁnder, you are ready to start observing! Put the 20 mm eyepiece into

the diagonal to get the widest ﬁeld of view. This wider ﬁeld of view will make it easier to locate and track

objects. Use the panhandle to move the scope up, down and side to side until your target comes into

view in the eyepiece. It is important to remember that the rotation of the Earth means objects will move

out of your eyepiece fairly quickly. Once you have found and focused on your desired target, you can

track it as it journeys across the night sky using the panhandle.

To get a closer look at an object, take out the 20 mm

eyepiece and replace it with the 10 mm eyepiece. This

will increase the magniﬁcation to 40x.

Note: Terrestrial objects will appear reversed due to the optical setup. This rotation is perfectly normal

for a refractor using a standard diagonal, and it will not aﬀect astronomical viewing.

Focal Length Eyepiece Magniﬁcation

400 mm 20 mm 20x

400 mm 10 mm 40x

Fig. 1 Fig. 2

Front

Red Dot Viewfinder

(bottom view)

紅點觀景器由一顆 CR-2032 (3V) 型電池供電；如需要換電池，鬆開固定螺絲 (Fig.2) 移除蓋子 (Fig.1)，並將電池往前推。接著陽極面 (+) 向上推入新電池。蓋回蓋子並轉緊固定螺絲 (Fig.2)。前方紅點觀景器（底部視角）赤点ファインダーは付属の電池で駆動しています。電池交換の際は、位置決めネジ図を緩めて電池キャップ図を取り外します。古い電池を前に向かってスライドさせ、新しい電池を＋面を表にして入れ、キャップを戻してネジ図をしめてください。図図前部赤点ファインダー下面図

The Red Dot Viewfinder is

CR-2032 (3V); if a replacement is

necessary, remove the cap (Fig. 1)

by unscrewing the set screw (Fig.

2) slide the battery towards the

front. Slide the new battery in with

the positive (+) side showing.

Replace the cap and tighten the

set screw (Fig. 2).

Please recycle

batteries responsibly.

Troubleshooting Guide:

Problem Solution

No picture Remove dust protection cap.

Blurred picture Adjust focus using focus wheel.

No focus possible Wait for temperature to balance out.

Bad quality Never observe through a glass surface such as a

window.

Cleaning:

Your telescope is a precision optical device and keeping the optics free of dust and dirt is crucial for

optimal performance. To clean the lenses (objective and eyepiece) use only a photo-grade soft brush or

a lint-free cloth, like a microﬁber cloth. Do not press down too hard while cleaning, as this might scratch

the lens. If necessary, the cleaning cloth can be moistened with an optical glass cleaning ﬂuid and the lens

wiped clean using very little pressure. The eyepiece is NOT waterproof so do not spray ﬂuids directly

onto the glass or dip it in water. Never use harsh detergents! After you have ﬁnished cleaning an

eyepiece, allow it to fully dry before storing.

Make sure your telescope is always protected against dust and dirt. After use, leave it in a warm room to

dry off before storing.

Using The Smartphone Adapter:

SUPERVISION BY ADULTS

Read and follow the instructions, safety rules and ﬁrst aid information

The Smartphone Adapter will allow you to connect almost any “smart” device to an eyepiece.

To use the adapter, place it directly onto the selected eyepiece and secure it by tightening the set screw

until snug. Be careful not to overtighten because this could damage the adapter and/or the eyepiece.

The camera lens on your smart device will need to be centered over the eyepiece. This alignment is best

done by opening the camera function and viewing the image while you center the device. Once you have

positioned the device correctly, carefully press it onto the suction cup/non-skid surface of the adapter

pad. Never allow the adapter pad to hold your device without you supporting the item as well.

The point at which you secure the eyepiece/adapter combination into the diagonal/focuser depends

largely on the dimensions of your device. For smaller devices like smart phones, it may be easier to secure

it to the eyepiece/adapter combination before inserting the entire unit into the diagonal on the telescope.

For larger devices, such as tablets, it may be easier to secure the eyepiece/adapter combination into the

diagonal, and then align and attach your device.

After positioning your device and capturing images, you can enhance and edit the photos using the

imaging software of your choice. One option can be found at https://www.getpaint.net/.

WARNING: Do not leave your device unsupported or unattended on the adapter pad.

Though the surface of the adapter pad is designed with suction cups and is non-skid, the manufacturer

cannot assure that the pad will support the weight of various devices or guarantee that it will adhere to

all surfaces on various smart devices. The pad is not intended to secure, balance or support the device

on its own, and the operator should not let the device rest solely on the adapter pad. Leaving the device

unattended or allowing it to balance on its own without operator support may result in the device falling,

unbalancing the entire instrument and possibly damaging the telescope or your smart device.

CHEMICALS

Any chemicals and liquids used in preparing, using, or cleaning should be kept out of reach of children.

Do not drink any chemicals. Hands should be washed thoroughly under running water after use. In case

of accidental contact with the eyes or mouth rinse with water. Seek medical treatment for ailments arising

from contact with the chemical substances and take the chemicals with you to the doctor.

Keep packaging materials (plastic bags, rubber bands, etc.) away from children. There is a risk of

SUFFOCATION. Dispose of packaging materials as legally required. Consult the local authority on the

matter if necessary.

DISPOSAL

Dispose of the packaging materials properly, according to their type, such as paper or cardboard. Contact

your local waste-disposal service or environmental authority for information on the proper disposal.

Please take the current legal regulations into account when disposing of your device. You can get more

information on the proper disposal from your local waste-disposal service or environmental authority.

Notes:

Observing Tips:

Star hopping

Star hopping is a technique used by amateur astronomers to navigate the night sky. By using easily

recognizable constellations and asterisms as a guide, an observer can locate stars and other objects.

For example, Polaris, which is

commonly referred to as The

North Star, can be located quickly

using star hopping. First, ﬁnd the

Big Dipper asterism in the Ursa

Major constellation. The popular

pattern is deﬁned by seven stars,

and the two stars on the front

edge of the Big Dipper’s “bowl”

are Merak and Dubhe. Next, draw

an imaginary line from the bottom

star (Merak) on this front edge

through the top star (Dubhe) on

the front edge. Follow the line to

the ﬁrst bright star you see. That

should be Polaris. Finally, to verify

your ﬁnding, locate the Little

Dipper asterism. Polaris is the

anchor star at the end of the Little Dipper’s “handle.”

BIG DIPPER

LITTLE DIPPER

POLAR STAR

Zeta Beta

Kochab

Pherkad

Gamma

Eta

Epsilon

Delta

Alpha

Alkaid

Alcor Mizar

Alioth

Megrez

Phecda

Merak

Dubhe

Orion Nebula(M42):

Right ascension: 05: 35.4 (hours: minutes)

Declination: -05: 27 (degrees: minutes)

Distance: Approximately 1,344 light years

The Orion Nebula is a vast star-forming region located in the

“sword” branching off of the famous Orion’s Belt. Also known

as Messier 42, this diffuse nebula is bright enough to see with

the unaided eye — although it will only appear as a slightly

foggy star. However, with your telescope, you can see many of

the beautiful details, such as the billowing clouds of gas and

dust where new stars are being born.

Image credit: NASA, ESA, M. Robberto (Space Telescope Science Institute/ESA)

and the Hubble Space Telescope Orion Treasury Project Team

Image credit: Howard Eskildsen

Note: Images are for illustration purposes only. Quality of your image may very depending upon atmospheric conditions and location.

Possible Objects for Observation:

What you can observe at any one time in your telescope depends

on several factors beyond aperture and magniﬁcation. These

factors include location, date, time and sky conditions. The

following are all objects that can be seen with the unaided eye

and/or binoculars. Your telescope can enhance views of any of

these objects if the observing conditions are right.

The Moon:

Diameter: 3,476 km

Distance: Approximately 384,401 km

The Moon is the Earth’s only natural satellite, and it is the second

brightest object in the sky (after the Sun). Although it is our

closest neighbor, a lot of people have never really taken a good

long like at the Moon. With your telescope, you should be able to

see several interesting lunar features. These include lunar maria,

which appear as vast plains, and some of the larger craters. The

best views will be found along the terminator, which is the edge

where the visible and shadowed portions of the Moon meet.

Note: The positioning of the Big Dipper in relation to the Little

Dipper does not change, but the orientation of both in the night sky

will rotate throughout the year due to the motion of the Earth.

Pleiades Star Cluster(M45):

Right ascension: 03: 47.0 (hours: minutes)

Declination: +24: 07 (degrees: minutes)

Distance: Approximately 444 light years

The Pleiades Star Cluster is a group of brilliant blue

stars located in the Taurus Constellation. Also known

as Messier 45 or “Seven Sisters”, this open star cluster

consists of more than 1,000 conﬁrmed stars, although

an average of only six are visible to the unaided eye.

With your telescope, you can quickly reveal some

of the more elusive members of this legendary and

beautiful cluster.

Dumbbell Nebula(M27)

Right ascension: 19:59.6 (hours: minutes)

Declination: +22:43 (degrees: minutes)

Distance: Approximately 1,360 light years

The Dumbbell Nebula was the ﬁrst planetary nebula

ever discovered. It is one of the most popular sights

in the Vulpecula constellation. Easy to ﬁnd with

binoculars and amazing in a telescope, the shape of

this bright, double-lobed nebula has been compared

to a dumbbell, an hourglass or an apple core. As an

added bonus, the white dwarf that lies at the heart of

the Dumbbell Nebula is larger than any other star of

its kind.

Andromeda Galaxy(M31):

Right ascension: 00: 42.7 (hours: minutes)

Declination: +41: 16 (degrees: minutes)

Distance: Approximately 2.54 million light years

The Andromeda Galaxy is the closest major galaxy

to our own Milky Way. Also known as Messier 31, this

famous spiral galaxy is part of the Local Group of

galaxies. Although it is technically bright enough to

see with the unaided eye under a very dark sky, your

telescope may show its bright center, hints of its spiral

structure and its much smaller companion galaxies

known as M32 and M110.

Image credit: NASA/JPL-Caltech/UCLA

Image credit: NASA/JPL-Caltech/Harvard-Smithsonian CfA

Image credit: NASA/JPL-Caltech

Note: Images are for illustration purposes only. Quality of your image may very depending upon atmospheric conditions and location.

Light

Secondary Mirror

Primary Mirror

(Objective)

Focuser

Light

Objective Lens

Light

Secondary Mirror

Primary Mirror (Objective)

Correcting Lens

Reﬂector

A reﬂector telescope uses mirrors to gather and focus light. Light enters the telescope through its open

front end and travels to the concave primary mirror at the back. From there the light is reﬂected back up

the tube to a ﬂat secondary mirror, which sits at a 45° angle in relation to the eyepiece. Light bounces off

of this secondary mirror and out through the eyepiece. A reﬂector telescope is designed for astronomical

use. Terrestrial objects may appear inverted, sideways or at an angle depending on how your tube is

oriented due to optical design. This rotation is perfectly normal on all Newtonian reﬂectors and will not

affect astronomical viewing.

Refractor:

A refracting telescope uses a collection of lenses to gather and focus light. A refractor’s views will

be upside down if a diagonal is not in use. A standard diagonal will generate a “right side up” image,

however, it will rotate the image on the vertical axis (mirror image). To get the “right side up” image

without the rotation, you will need to use a special diagonal with an erect image prism.

Catadioptric:

A catadioptric telescope uses a combination of mirrors and lenses to gather and focus light. Popular

catadioptric designs include the Maksutov-Cassegrain and Schmidt-Cassegrain.

Types Of Telescopes:

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