STARFIELD HORIZON Series Manual de usuario

OPTIONAL ADDITIONAL ACCESSORIES & WARRANTY

NOTES ON VIEWING, TELESCOPE CLEANING & MAINTENANCE

USING THE PHONE ADAPTER

CELESTIAL OBSERVING

USING THE TELESCOPE, FINDING OBJECTS & FOCUSING

ASSEMBLY - INSTALLING THE DIAGONAL, EYE PIECE & FINDER SCOPE

ASSEMBLY - PARTS LIST & INITIAL SETUP

THANK YOU, SPECIFICATIONS & WARNING INFORMATION

CONTENTS

ASSEMBLY - ALIGNING THE FINDER SCOPE

THANK YOU

Thank you for your purchase of a Stareld Horizon Series 70mm Telescope. Your Stareld Horizon

Series is built with the highest-quality optics and materials to provide years of reliable operation

and discovery. Stareld telescopes are precision astronomical instruments designed for ease of

use and versatility in their application. Proper care should be given when using any telescope.

Some technical knowledge of optical properties and stellar movements are helpful to enhance

your experience.

HORIZON SERIES SPECIFICATIONS

SPECIFICATIONS

Telescope Type Refractor

Aperture 70 mm (2.8”)

Focal Length 700 mm

Focal Ratio F/10

Optical Coating Fully Multi Coated

Finder Scope Red Dot (Reex)

Eyepiece 1 25 mm - 1.25” (28x)

Eyepiece 2 10 mm - 1.25’ (70x)

Barlow Lens 3x

Lowest Magnication 28x

Highest Magnication 210x

Highest Useful Magnication 175x

Moon Filter No

Mount Altazimuth

Telescope and Tripod Weight 8.8 Lbs / 4 kg

WARNING

• Do not use telescope or nder scope to look at the sun without an appropriate solar lter. Doing so will cause

permanent and irreversible eye damage.

• Never use an eyepiece lter as a solar lter. Only solar lters will completely cover the opening of the optical tube

and provide proper eye protection.

• Ensure proper tightening of screw before beginning operation of the telescope.

• Do not drop or shake your telescope as doing so will damage the optics, harm you or the people around you.

• Please use caution when loosening the adjustment knobs to ensure no damage is caused to the optical

tube assembly.

ASSEMBLY - PARTS LIST & INITIAL SETUP

PARTS

1. Objective Lens

2. Mounting Plate

3. Tripod Head Platform

4. Tripod Legs

5. Accessory Tray (See Figure 3)

6. Tripod Pan Handle

7. Focus Knob

8. 45° Diagonal, 1.25”

9. Eyepieces - 2 included (25mm & 10mm)

10. Focusing Tube

11. Red Dot Finder scope

12. Telescope Optical Tube

13. 3x Barlow Lens (See Figure 12)

SETUP

1. Fully extend the legs of the tripod apart.

2. Place the telescope tube by sliding it over

the tripod platform (Figure 2). Tighten the tripod

platform screw rmly.

3. Place the accessory tray on the tripod center

brace so that the hole is aligned in the center and

rotate the tray until the tabs on its three points t into

the brackets on each arm (Figure 3). It may be a little

hard to turn at rst, don’t worry this is normal.

4. Remove the caps from the telescope.

Important: Both telescope front caps need to be removed, not just the small center cap.

ASSEMBLY

This section covers the assembly instructions for your Horizon Series 70mm telescope. The telescope should

be set up indoors for the rst time so that it is easy to identify the various parts and familiarize yourself with

the correct assembly procedure before setting it up outdoors.

Unpack and lay out all of the parts in a large, clear area where you will have room to assemble the pieces.

Verify that all parts and accessories are present using the list below and Figure 1 for reference.

Figure 1

Figure 2

ASSEMBLY - INSTALLING THE DIAGONAL, EYEPIECE & FINDER SCOPE

The diagonal is a prism that diverts the light at a specic angle to the

light path of the telescope. This allows you to observe in a position

that is more comfortable than if you had to look straight through. Your

telescope comes with a diagonal that reects the light at a 45° angle.

To install the diagonal:

1. Remove the caps from both sides of the diagonal.

2. Loosen the setscrews on the back of the focuser.

3. Insert the chrome barrel end of the diagonal all the way into the

rear opening of the telescope tube (Figure 4), then tighten the thumb

screw. You can rotate the diagonal to any position by loosening the

setscrews.

Eyepieces are multi-lens components that allow you to achieve

dierent magnications with your telescope. You cannot start

observing with just a telescope and no eyepieces. Your telescope

comes with two eyepieces, a low power eyepiece (25 mm) and a

high power eyepiece (10 mm). Whenever you set up your telescope,

always start with the 25 mm eyepiece. Once you have your target

centered in the 25 mm eyepiece, you can switch to your 10 mm

eyepiece to get a more detailed view.

To install the eyepiece:

1. Loosen the setscrews on the open end of the diagonal.

2. Put the chrome barrel end of one of the eyepieces into the diagonal

and tighten the thumb screw to secure the eyepiece (Figure 5). We

recommend starting with the 25 mm eyepiece.

3. The eyepieces can be changed to other focal lengths by reversing

the procedure above.

To see the sharpest image possible, you need to focus by looking

through the eyepiece and slowly turning the focusing knobs (see

Figure 5) until you nd the sharpest image.

Locating objects simply by looking through the telescope is very

dicult. A nder scope is a device that helps you manually point

the telescope and locate the desired object more easily. This nder

scope has a reex sight that uses a red LED to project a red dot into

the round glass.

Tip: To improve the stability of the system, take a plastic bag and add some weight in it (you can use any

heavy item, some books or even rocks). Attach the bag to a wire underneath your telescope’s accessory

tray (Figure 3). This way your telescope even more stable.

Unpack and lay out all of the parts in a large, clear area where you will have room to assemble the pieces.

Verify that all parts and accessories are present using the list below and Figure 1 for reference.

Figure 4

Figure 5

Figure 3

Figure 6

When you look through the nder, you will see the red dot overlayed on your target. The rst time

you mount the telescope, you must align the nder with the telescope optic tube. We recommend

that you do this step during the day because it will be much easier.

ASSEMBLY - ALIGNING THE FINDER SCOPE

To install and replace the battery:

Turn the nder over, you will see the battery compartment that is located under the red dot sight (Figure

7). Using a small screwdriver or ngernail, gently lift the cover up to remove it. Place the battery in the

compartment, under the contact tab, making sure the positive battery terminal (the side marked “ + “) is

pointing up toward the spring contact. Replace the battery cover.

Note: This nder uses a CRI 632 3V battery. If the battery runs out, you can nd a replacement battery at

Amazon or clock and watch shop. We recommend a CRI 632 3V lithium battery (Panasonic, Energizer or

similar).

To install the red dot nder:

1. Locate the nder scope bracket on the telescope and loosen its screw

(Figure 8).

2. Slide the nder into the bracket.

3. Tighten the screw with your ngers to secure it in place.

The red dot is produced by a light-emitting diode (LED); it is not a laser beam

which means it cannot damage either your eye or the nder eyepiece.

To align the red dot nder:

1. Locate a distant daytime xed object that is at least half a mile away (or 800

meters). Land objects during the daytime are a good way to get familiar with the

functions and operations of the telescope. You can target the top of a telephone

pole, a tower, a rooftop or a building.

2. Using the low power (25 mm) eyepiece, aim the main telescope to the selected

target (Figure 9). It might appear blurry, turn the focus knob located near the rear

of the telescope (see Figure 8) to try to get it as sharp as possible.

3. When the main telescope is pointing at the selected target, lock the tripod

and the telescope position to make sure it doesn’t move. If you accidentally

move your telescope, center the object again through the eyepiece.

4. Once the object is centered in your 25 mm eyepiece, turn the nder on by

turning the power switch wheel to ON, located on the side of the nder (Figure

7).

5. Place your eye about 10-20 cm behind the nder, look through the nder sight

and locate the position of the object itself, it should be within the nder’s eld of

view (Figure 9)

6. Without moving the telescope, use the two adjustment wheels on the right

side and under the nder (Figure 10). One controls the left-right movement of

the cross-hair, while the other controls the up-down movement. Adjust both

until the red dot appears on the same object you are looking at in the 25 mm

eyepiece (Figure 11).

Important: Once the nder alignment process has been completed, remember to turn the nder

o by turning the wheel to OFF. It is important not to leave the nder on when not in use so as not

to wear out the battery.

Figure 7

Figure 10

Figure 8

Figure 11

Figure 9

USING THE TELESCOPE, FINDING OBJECTS & FOCUSING

With an aligned nder scope, look through the nder scope and center the desired object. You should

now be able to see it through the eyepiece of the telescope. If necessary, adjust the horizontal adjustment

and vertical to re-position the telescope so that the desired object can be centered.

Remember to start with the 25 mm eyepiece and, once you have an object centered in the telescope, you

can change it to the 10 mm or use a Barlow lens to have a more magnied image. You can also use the

phone adapter and your phone’s zoom to get a more detailed image (see section Phone Adapter).

To focus your Horizon Series 70mm turn the focus knob located near the rear of the telescope (see Figure

12). Turning the knob counterclockwise allows you to focus on an object that is farther than the one you

are currently observing. Turning the knob clockwise from you allows you to focus on an object closer than

the one you are currently observing.

Your telescope also comes with a 3x Barlow lens which triples the

magnifying power of each eyepiece. However, the greatly magnied

images should only be used under ideal conditions (see the next

section of this manual, Calculating Magnication). To use the Barlow

lens remove the eyepiece and insert the Barlow into the diagonal.

Then insert an eyepiece into the Barlow lens for viewing (Figure 12).

Note: We do not recommend using the 3x Barlow lens right at the

beginning of your observing sessions, but once you’ve used your

telescope with just an eyepiece and want to get a more detailed

image of your target.

You can change the power of your telescope just by changing the eyepiece (ocular). To determine the

magnication of your telescope, simply divide the focal length of the telescope by the focal length of the

eyepiece used. In equation format, the formula looks like this:

Let’s say, for example, you are using the 25 mm eyepiece that came with your telescope. To determine the

magnication you divide the focal length of your telescope (the Horizon Series for this example has a focal

length of 700 mm) by the focal length of the eyepiece, 25 mm. Dividing 700 by 25 yields a magnication

of 28x.

Although the power is variable, every telescope under average skies has a limit to the highest useful

magnication. The general rule is 2.5x power can be used for every millimeter (mm) of aperture (or 50x

power for every inch of aperture). For example, the Horizon Series 70mm is 70 mm in diameter. Multiplying

2.5 by 70 gives a maximum useful magnication up to 175 power. Although this is the maximum useful

magnication, most of your observing will be done at low powers which generate images of better quality

(brighter and sharper).

The following magnication levels can be achieved when using the included 25 mm and 10 mm eyepiece

and with the 3x Barlow lens:

Figure 12

USING THE PHONE ADAPTER

Note: Higher powers are used mainly planetary and deep sky observing, where you can greatly enlarge

the image, but remember that the contrast and brightness will be very low due to the high magnication.

When using the 10 mm eyepiece together with the 3x Barlow lens, the telescope gives extremely high

power and can be used on rare occasions - you will achieve the power but the image will be darker with

lower contrast because you will have magnied it to almost the maximum possible. For the brightest

images with the highest contrast levels, use lower powers.

Your telescope comes with our phone adapter to take pictures of the many beautiful celestial objects that

you will nd in the night sky. It’s a very simple accessory that will allow your phone to align easily with

your telescope. I will t almost every smartphone available on the market, and it can also be used in other

optical instruments such as binoculars, monoculars and spotting scopes (not just telescopes).

Note: This phone adapter may not work with all telescope accessories. The phone adapter requires the

eyepiece or ocular lens to have a solid, unyielding surface (see Figure 15). Some accessories will have

small rubber eye cups around them, which could interfere with the performance of this phone adapter.

To use the phone adapter:

1. Once your telescope is assembled and ready to use, center it in your target

and focus the image.

2. Lock the tripod and the telescope position. This has to be done before attaching

the phone adapter, or the weight of your phone will move the telescope’s

position.

3. Adjust the length of the adapter to the phone and tighten the screw until the

phone is secure (Figure 13).

4. Align the small circle hole of the adapter with the phone’s camera and tighten

its screw (Figure 14). They must be centered. 5. The adapter is now ready to use.

Attach to your telescope’s eyepiece and rotate the main wheel until it attaches

to the eyepiece (Figure 15).

6. Once they are attached, open your phone’s camera and make sure it is aligned

with your telescope. You should see a circle in the center of your phone. If that’s

not the case, make sure the small circle hole of the adapter is aligned with the

phone’s camera (step 4).

7. You might need to refocus the telescope looking through your phone’s

camera to get the sharpest image possible.

Note: We do not recommend using the phone adapter with the 3x Barlow lens.

The magnication will be higher but you will lose most of the image quality. It

will also be dicult to take pictures without moving the image. You may nd

useful buying a camera remote control.

Important: Zoom in with your mobile phone to get a full-size image (full screen)

instead of a circle.

The tripod of a telescope cannot be too high because it would lose a lot of

stability and make celestial observation considerably more dicult. This is why

we recommend sitting down when using your telescope. You can rotate the diagonal prism to the

side towards where you are sitting to make it easier to use the telescope while sitting down (Figure

16).

We recommend getting a specic chair or stool for telescopes or camping, which are usually light

and easy to carry. Ideally, it should be foldable and height adjustable to achieve the right height in

the various positions the telescope points to.

Figure 13

Figure 14

Figure 15

Figure 16

CELESTIAL OBSERVING

Now you are ready to take your telescope out at night and do some real observing!

Let’s start with the Moon. The Moon takes about one month go through a complete phase cycle, from

New Moon to Full Moon and back again. Try observing it at dierent points during this cycle.

While you can observe the Moon any time it is visible in the night sky, the best time to view it is from two

days after a New Moon up to a few days before a Full Moon. During this period, you will be able to see the

most detail in craters and lunar mountain ranges. Consult a calendar to nd out when the next New Moon

will be.

Unlike xed targets on the ground, astronomical objects appear to move across the sky due to Earth’s

rotation. When you look at a celestial object in your telescope, such as the Moon, it will slowly drift across

the eld of view of your eyepiece. To keep the object centered in the eld of view, you will have to adjust

the telescope direction.

Lunar Observing Hints:

To increase contrast and bring out detail on the lunar surface, use optional lters. See section Useful

Optional Accessories for more information.

Other fascinating targets include the ve naked eye planets. You can see Venus go through its lunar-like

phases. Mars can reveal a host of surface detail and one, if not both, of its polar caps. You may be able to

see the rings of Jupiter and the great Red Spot (if it is visible at the time you are observing). In addition, you

will also be able to see the moons of Jupiter as they orbit the giant planet. Saturn, with its beautiful rings,

is visible at moderate power.

Deep sky objects are those celestial bodies outside the boundaries of our solar system. They include

star clusters, planetary nebulae, diuse nebulae, double stars, and other galaxies outside our Milky Way.

Unlike the Sun, the Moon, and our ve major planets, most objects in the deep sky are not visible to the

naked eye. Most of them are very large. So, an average power eyepiece is all you need to observe them.

Astronomical Observation Tip:

Remember that atmospheric conditions are often the limiting factor on the amount of planetary detail

that will be visible. Therefore, avoid observing the planets if they are low on the horizon or when they are

directly above a source of radiant heat, such as a roof or chimney. To observe the bodies in the deep sky

you should make sure that the sky is as dark as possible. The further you are from city lights, the better

you will see these objects in your eyepiece.

Although overlooked by many amateur astronomers, solar observation is both rewarding and fun. However,

because the Sun is so bright, special precautions must be taken when observing our star so as not to

damage your eyes or your telescope.

For safe solar viewing, use a proper solar lter that reduces the intensity of the Sun’s light, making it safe

to view. With a lter you can see sunspots as they move across the solar disk and faculae, which are bright

patches seen near the Sun’s edge.

Solar Observing Tips:

1. The best time to observe the Sun is in the early morning or late afternoon when the air is cooler.

2. To center the Sun without looking into the eyepiece, watch the shadow of the telescope tube

until it forms a circular shadow.

3. It is best to remove the nder scope from the telescope to prevent someone from looking through

it because it will not have a sun lter.

NOTES ON OBSERVING, TELESCOPE CLEANING & MAINTENANCE

While observing through the telescope avoid touching the eyepiece or placing the tripod on uneven

ground. Vibrations can cause the image in the telescopic eld of view to move.

Observing through a window is not recommended because the window glass will distort images

considerably. And an open window can be even worse, because warmer indoor air will escape out the

window, causing turbulence which also aects images.

Have in mind that astronomy is an outdoor activity. When setting up your telescope outdoors, allow it

to reach the surrounding temperature before observing. Waiting 10 to 20 minutes before using it will be

enough.

When observing at night allow a few minutes for your eyes to become “dark adapted” prior to observations.

Use a red light ashlight or headlamp to protect your night vision when reading star maps, or inspecting

components of the telescope.

Avoid looking across objects that produce heat waves, such as asphalt parking lots during the day. Images

viewed may appear blurry or distorted.

Looking at or near the sun will cause instant and irreversible damage to your eye(s). Eye damage is often

painless, there is no warning to the observer that the damage has occurred until it is too late. Do not point

the telescope at or near the sun without taking the precautions needed. Children should always have an

adult supervising when using this telescope.

CAUTION: NEVER LOOK DIRECTLY AT THE SUN WITH THE NAKED EYE OR WITH A TELESCOPE

UNLESS YOU HAVE THE PROPER SOLAR FILTER AND OTHER NECESSARY EQUIPMENT.

PERMANENT AND IRREVERSIBLE EYE DAMAGE MAY RESULT.

If you give your telescope reasonable care, it will last a lifetime. It should rarely need any maintenance work.

Store it in a clean, dry, dust-free place, safe from rapid changes in temperature and humidity.

Do not store the telescope outdoors. Small components like eyepieces and other accessories should be kept

in its protective transport bag. Keep the dust cover on the telescope when it is not in use.

Cleaning Optics:

Any quality optical lens cleaning tissue and optical lens cleaning uid specically designed for multi-coated

optics can be used to clean the lenses of your telescope and eyepieces. Never use regular glass cleaner or

cleaning uid designed for eyeglasses.

Before cleaning, remove any loose particles or dust from the lens with a blower bulb or soft brush. Then

apply some cleaning uid to a tissue, never directly on the optics. Wipe the lens gently in a circular motion,

then remove any excess uid with a fresh lens tissue.

Oily ngerprints and smudges may be removed using this method. Use caution; rubbing too hard may scratch

the lens.

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