AmScope ALT-AZ Series User manual

TELESCOPE
INSTRUCTION
MANUAL
ALT-AZ LINE

Phone : [phone] (toll free) | Fax : [phone]
Our Ofce Hours are Monday to Friday, from 5:00am to 6:00pm Pacic Time.
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© 2021 AmScope. All Rights Reserved.

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they move across the sky. They are conveniently located close to the viewer
making it easy to view and adjust the telescope at the same time. With the
included eyepieces, you can view a wide range of objects. With the included
Barlow lens, the observer is able to see great details such as the crater of the
moon, Saturn’s ring and even deep sky object’s such as the Orion Nebula
Galaxy.
Each telescope also comes with a high performance 8X6 optical viewnder
or a red dot viewnder to help you locate celestial and terrestrial objects you
want to observe with the most joy.
1. INTRODUCTION
United Scope’s Alt-Az telescope line has everything you need included to
start your night sky adventure. It is a perfect telescope line for users from a
beginner to intermediate user and with the included items, you are able to
view some of the most well-known celestial objects.
The AZ line comes with a variety of apertures including 50, 60, 70, 90, and 102
refractors and the size of the objective lens determines how much detail one
can observe with the telescope. Some apertures also come in different focal
length which determines the magnication of the telescope.
This telescope is available with the following OTAs and mount styles:
SKU Aperture (mm) Focal Length (mm)
TLS-60700 60 700
TLS-60900 60 900
TLS-70700 70 700
TLS-70900 70 900
TLS-T70900 70 900
TLS-S50360 50 360
TLS-S50600 50 600
TLS-S70300 70 300
TLS-PAZ-90600 90 660
TLS-PAZ-102600 102 660
Each telescope in this series features a solid Altitude-Azimuth mount and a
lightweight and sturdy aluminum/steel tripod with fully adjustable legs to
make it perfectly viewable for either youngsters or adults.
The AZ mount also equips with slow motion control mechanism for both axes
to make it possible to make ne adjustment when tracking celestial objects as
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2. SAFETY INSTRUCTIONS
• The safest way to look at the sun through your telescope is NOT to! Not
only could you damage your eye(s), but you can also damage the lenses
in the telescope. Never look at the sun through this telescope without a
proper solar lter. Looking at or even near the sun will cause instant and
irreversible damage to your eye(s).
SOLAR WARNING
Never look at the sun
with your telescope
without appropriate
lters in place.
Permanent and
irreversible damage
to your eyes and your
equipment will occur.
• Never let the telescope unattended, pointing at or near the sun.
• Never leave the telescope unsupervised, either when children are present
or adults who may not be familiar with the correct operating procedures of
the telescope.
• Do not look through the telescope or its viewnder as it is moving.
• This device may be used by children under 18 and by people with reduced
physical, sensory, or mental skills or a lack of experience or knowledge,
provided that they are supervised or have been instructed on how to use
the device safely, and are fully aware of the consequent risks of use.
• Do not disassemble! Disassembly of the telescope could result in personal
injury and telescope malfunction.
• Always place the telescope on a completely at surface. Unstable
placement of the telescope may cause it to fall, and if handled without
caution, it may easily injure yourself and others.
• Never subject the device, especially the lenses, to direct sunlight. Lightray
concentration can cause res and/or burns.
• Never use your telescope under rainy conditions: this telescope is not
designed to be water-proof. If your telescope accidentally gets caught in
rain, please wipe down the water with a soft dry clean cloth, but if the lens
gets soaked by water, please contact us at [email protected] right away
for details on a service solution.
3. BEFORE INITIAL USE
Before you use the telescope for the rst time, you must:
• Read this instruction manual carefully before using the telescope and
keep it for future reference.
• Unpack the items supplied.
ITEM DESCRIPTION QTY
OTA Optical Tube Assembly 1
Mount Altitude-Azimuth Mount 1
Eyepiece
1.25 MA 26mm 1
1.25 MA 9mm 1
1.25 MA 6.3mm 1
Barlow Lens 2x Barlow Lens 1
View Finder Viewnder 1
Tripod Stainless Steel Full Height Tripod 1
Diagonal Erect Image Diagonal 1
Other Accessories
Accessory Tray 1
Slow Motion Control Cables 2
Generic Manual 1
3.1 Packing List
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3.2 Unpacking
Ensure that the device is complete with all the accessories and that it
doesn’t present abnormalities, failures, or damage.
If the device is missing parts (see chapter 3.1 “The packing list”), or
shows clear aesthetic damages due to collisions or shipping damage,
please contact us at [email protected]
Unpack carefully as some parts are small.
Do not leave packaging material lying around carelessly. It may become
dangerous playing material for children. Do not dispose of the packing
materials until the telescope is installed and working.
WARNING: To avoid the danger of suffocation, keep
plastic bags away from babies and children!
WARNING: Contains small parts, not for children under
3 years or any individuals who tend to place inedible
objects in their mouths.
WARNING: The red dot viewnder 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.
Ensure all packaging materials and any promotional labels or stickers are
removed from the machine and accessories before the rst use.
4. INITIAL USE
Put your telescope together for the rst time when you are indoors and have
lots of light. Just because a telescope is normally used during evening hours
doesn’t mean you have to set it up in the dark! Identify the various parts and
familiarize yourself with the correct assembly procedure before attempting it
outdoors (see chapter 6 “Setting up the telescope”).
Choose a large, open area to work to allow room for all parts to be unpackaged.
Once you are nished with assembly, stay indoors and take some time to
learn a bit more about its features before you take your telescope outside for
the rst time.
RESPECT PRIVACY: Respect other’s privacy. Do not use the telescope
to look into other people‘s homes, or otherwise infringe on their privacy.
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5. TELESCOPE PARTS
REFLECTOR TELESCOPE
10. 90 degree erect-
image diagonal
11. Focusing knob
12. Azimuth lock knob
13. Altitude control handle
14. Azimuth slow motion
control knob
15. Tripod legs
16. Accessory tray
(see Inset A)
17. Tripod leg spreader bar
(see Inset A)
16
17
18
19
07
20
21
Inset B: Tripod Leg
Inset A:
Accessory Tray
10
11
12
04
03
15
14
02
01
06
08
13
07
05
09
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Phone : [phone] (toll free) | Fax : [phone]
Our Ofce Hours are Monday to Friday, from 5:00am to 6:00pm Pacic Time.
www.amscope.com
© 2021 AmScope. All Rights Reserved.
REFLECTOR TELESCOPE
14
11
12
04
05
03
02
01
10
13
07
06
08 09
01. Tripod leg lock knob
02. Tripod spreader bar
03. Accesspry tray
04. Altitude slow motion
control cable
05. Focus knob
11. OTA lock knob
12. Bubble level
13. Azimuth control knob
14. Azimuth lock knob
OTA
MOUNT
TRIPOD
6. SETTING PARTS
6.1 Tripod
• Set up telescope where there is a clear view of the sky and the ground
is stable.
• Fully spread the tripod legs apart and set the height of tripod by
loosening the tripod leg lock knobs so it is at the appropriate height.
• Level the top of the tripod by adjusting the height of the three tripod
legs
• Attach the accessory tray to the tripod by threading the tray onto the
center piece of the spreader bars.
6.2 Mount (TLS-PAZ series)
6.3 Ocular Tube Assembly
• Unfold the mount so that it is away from the tripod.
TLS Series
• Place the optical tube onto the saddle plate and tighten the two OTA
lock knobs to a rm feel.
• Install the diagonal into the optical tube, and secure the diagonal by
tightening the diagonal lock knob.
• Slide an eyepiece into the diagonal and secure the eyepiece by
tightening the diagonal lock knob.
• Install the view nder and secure it by tightening the view nder lock
knob to a rm feel.
TLS-T Series
• Place the optical tube onto the saddle plate and tighten the two OTA
lock knobs to a rm feel.
• Install the diagonal into the optical tube, and secure the diagonal by
tightening the diagonal lock knob.
• Slide an eyepiece into the diagonal and secure the eyepiece by
tightening the diagonal lock knob.
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6.3 Ocular Tube Assembly
TLS-T Series
• Install the view nder and secure it by tightening the view nder lock
knob to a rm feel.
TLS-PAZ Series
• Locate the two threaded holes on the bottom of the dovetail.
• Place the optical tube onto the saddle plate and tighten the OTA lock
knobs to a rm feel.
a) Turn the OTA lock knob counter-clockwise to tighten the OTA
onto the saddle.
b) Before tightening the lock knob all the way, slide the OTA back
and forth to adjust the location of the OTA as needed. This
might vary for different users.
c) Before removing the OTA, remember to support the OTA in
one hand before loosening the lock knob.
• Install the diagonal into the optical tube, and secure the diagonal by
tightening the diagonal lock knob.
• Slide an eyepiece into the diagonal and secure the eyepiece by
tightening the diagonal lock knob.
• Install the view nder and secure it by tightening the view nder lock
knob to a rm feel.
6.4 Viewnder Alignment
• Point the telescope at a land object that is at a far distance during the
daytime, such as a distanced stop sign.
• It is best practice to use a higher power eyepiece to align the
telescope.
• Look through the eyepiece and center the object in the eyepiece.
• Focus the telescope by turning the focus knob till a clear and sharp
image appears.
• Loosen one of the view nder’s alignment screws and tighten another
at a time till the crosshair is overlapping the same object.
• To further align the optical tube and viewnder, repeat this procedure
at night by pointing at a celestial object such as the moon.
6.5 How to use a telescope
• To track a celestial object in the sky, rst loosen the Azimuth and
Altitude lock knobs and move the telescope manually, and then re-
lock the lock knobs after it is roughly pointing at the object.
• Use the Azimuth slow-motion control knob and the Altitude slow-
motion control cable to center the object and to track the object as
it moves across the sky.
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7. VIEWFINDER
An eyepiece has a narrow eld of view. The red dot viewnder has a wider eld
of view, which makes it easier to locate objects. Once the red dot viewnder
is aligned to the optical tube, the red dot can be used to locate and place
objects more easily in the eyepiece of the telescope.
The viewnder is powered by a 3V Lithium Coin battery (type CR2032) which
is included. Before using the viewnder for the rst time, remember to remove
the plastic insulator that is blocking the battery from connecting.
When it is time to replace the battery, push the left side of the viewnder
housing. The battery compartment will slide out on the right side of the
device. Take out the battery and slide a new battery in place with the positive
side up. Then push the battery compartment back into the viewnder and
power on the device.
To preserve battery life, don’t forget to turn off the viewnder after use.
8. HANDLING OR TRANSPORTING YOUR TELESCOPE
Handling the telescope around or transporting it to the observing site requires
careful handling.
The telescope can be transported in 2 main parts: The telescope tube and
the mount.
We suggest removing the accessories from the optical tube. Cover the
telescope tube and the eyepiece with their caps. It is also convenient to
remove the ne-adjustment control cables and counterweights.
The accessory tray should be removed to be able to transport with the 3
tripod legs closed.
The telescope can be transported in a vehicle without a problem. Padded
insulation can prevent scratches on the tube but it is not necessary. The
mirrors may go out of collimation after a bumpy ride but collimation would be
required after transportation anyway, with or without padding.
9. CLEANING YOUR TELESCOPE
While your telescope requires little maintenance, there are a few things to
remember that will ensure your telescope performs at its best.
Use a slightly damp soft cloth to clean the outside of the tube and tripod.
Water should be enough to do the job. Please do not use any organic solvent
on your telescope, for example, alcohol, benzene, and other hazardous
chemicals as this might ruin it. Do not let any liquid enter the telescope.
Occasionally, dust and/or moisture may build up on the objective lens of your
telescope. Special care should be taken when cleaning the instrument so as
not to damage the optics.
If dust has built upon the lens, remove it with a brush (made of camel’s hair) or
with a can of pressurized air. Spray at an angle to the lens for approximately
two to four seconds. Next, use an optical cleaning solution and white tissue
paper to remove any remaining debris. Apply the solution to the tissue and
apply the tissue paper to the lens. Low-pressure strokes should go from the
center of the corrector to the outer portion. Do NOT rub in circles!
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10. STORING THE TELESCOPE
• Store the telescope in a place not exposed to sunlight, humidity, and
dust-free (indoors or in a dry garage).
• Do not store the device in extremely high or extremely low temperatures.
• If not properly stored, it may develop mildew growth and other preventable
build-ups.
• Be practically careful after a night observation that the lens has no dew on
it before storing the telescope away.
• Do not leave the telescope outside when not in use.
• When not in use, keep the dust cover on as well as the dust cap for the
eyepiece opening.
• Accessories should be stored separately in a box, with all their caps on.
11. DISPOSAL - RECYCLING
11.1 Disposal of the telescope
The telescope is designed and manufactured with high-
quality materials and components, which can be recycled
and reused.
Dispose of the telescope with your normal household
waste is not allowed. Dispose must be done through
an approved waste disposal rm or by your local waste
facility. When discarding the product, comply with the
rules and regulations that apply in your country. If in
doubt, consult your local waste disposal facility.
Correct disposal of old devices, packaging materials, and batteries helps
prevent negative consequences for the environment and human health.
11.2 Disposal of the viewnder
The viewnder is classed as Electrical or Electronic
equipment so please ensure that at the end of the life of
this product it is disposed of correctly following the local
authority requirements. It must not be disposed of with
household waste.
Fulll your statutory obligations and contribute to the
protection of the environment.
11.3 Disposal of the battery
The red dot viewnder contains a 3V Lithium coin battery
which cannot be disposed of with normal household
waste. It should be returned to the manufacturer for
disposal or recycled elsewhere following your local
regulations.
Remove the Lithium battery from the red dot viewnder
before disposal. Protect the used lithium battery against
potential short circuits by covering the poles with
adhesive tape.
11.4 Disposal of the packaging material
Ensure that plastic bags, packaging, etc. are properly disposed of. Do
not just dispose of these materials with your normal household waste,
but make sure they are collected for recycling. Contact your local waste-
disposal facility or environmental authority for information on the proper
disposal.
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12. TIP’S
Picking a place to observe
Where you place your telescope when observing is dependent upon your
unique situation, but if you have a choice, follow these suggestions:
• Find a level or near level spot.
• Choose grass or dirt whenever possible.
• Stay away from decks or other elevated surfaces. They vibrate when
you walk on them and will shake your telescope and therefore, the
image.
• Never look across or over objects that are producing heatwaves. This
includes asphalt parking lots on hot summer days or building rooftops.
It will take a while before the surface stops radiating heat, which
distorts the air and therefore, the image.
• Try to stay away from sources of light. Turn off your porch lights, and
if you are friendly with your neighbors, ask them to turn theirs off as
well.
• Pick a location with the widest view of the sky you can nd. In wooded
areas and those with lots of tall buildings, this can be a challenge.
General Observing
When working with a telescope, there are a few things to remember to ensure
you get the best possible image.
• Never look through window glass. Glass found in household windows
is optically imperfect, and as a result, may vary in thickness from one
part of a window to the next. This inconsistency can and will affect
the ability to focus your telescope. In most cases, you will not be able
to achieve a truly sharp image, while in some cases you may see a
double image. An open window can be even worse, because warmer
indoor air will escape out the window, causing turbulence which also
affects images. Astronomy is an outdoor activity.
• If you wear corrective lenses (specically glasses), you may want to
remove them when observing with an eyepiece attached to the
telescope. When using a camera, however, you should always wear
corrective lenses to ensure the sharpest possible focus. If you have
astigmatism, corrective lenses must be worn at all times.
Weather conditions
You will be amazed at how quickly seeing conditions change, and what
effect they have on observations! The sky may be clear, but seeing can be
so bad that Jupiter or Saturn might look like they are underwater, and even
low magnication views are not in focus. The next night (or the next hour!)
those same planets will look perfectly focused in your highest magnication
eyepiece and all because the seeing conditions improved.
Before you set up your telescope for a night of observing, get in the habit of
taking a few moments to look up and check the conditions:
• Are the skies clear or are there passing clouds? Knowing there are
clouds in the area helps you understand why an object you are gazing
at suddenly disappears.
• Hazy skies, fog, and mist can also make it difcult to focus when
viewing terrestrially. The amount of detail seen under these conditions
is greatly reduced. Also, when photographing under these conditions,
the processed lm may come out a little grainier than normal with
lower contrast and underexposed.
• Are the stars twinkling? If so, are they steady overhead, or do they
twinkle from horizon to horizon? Most of the time, stars overhead are
steady, and the twinkling increases as you move towards the horizon
due to the increased atmosphere. If stars are twinkling overhead, you
have “poor seeing”, but if they are steady almost to the horizon, then
grab your scope and get set up, because the seeing is especially
good, and who knows how long it will last!
• Is it windy? A slight breeze can help keep dew at bay, but too much
wind can degrade seeing conditions and make observing
uncomfortable.
• Is it especially humid out? Is dew already forming on surfaces? Dew
is not a deal-breaker unless it gets so heavy that all of your optics are
affected.
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Dealing with dew
Here are a few options:
• Dew Shield: These optical tube extensions t over the front end of
the telescope and delay the ability for dew to form on the optics.
You can buy exible dew shields that wrap around your telescope’s
outer diameter and will lie at when not in use or exible heated
dew shields that will raise the dew point of the surface to keep dew
away. Choose a dew shield that is made to t your telescope, or
measure the outside diameter of the telescope and buy according to
those dimensions.
• Dew Strips: Dew heaters, or dew strips, are thin strips of a thick
material that have heater elements running along their length. They
wrap around the outermost edge of the telescope tube, stay put
thanks to Velcro, and plug into a hand controller, which allows you to
adjust the amount of heat applied to the surface. Dew Controllers
often are capable of handling more than one heater, so you can
have one for your telescope, one for your nder, or any other number
of accessories. Keep in mind that dew heaters and their controllers
require DC power, so when considering them, think about how they
will be powered.
• Hairdryer: Many people use a hairdryer to blow away the dew. If you
choose this method, keep in mind that you always want to use the
LEAST amount of heat required to do the job. Overheating your
mirror will only cause distortions of your image until the glass returns
to ambient, and then the blow dryer is needed again. This is why
most people use heater strips made for the purpose. They can be set
to provide just enough heat to do the job, and only around the
perimeter of the mirror, limiting the amount of heat distortion they
cause.
Prepare your stuff in advance
Whether you are driving to a dark-sky location or are observing in your
backyard, it makes sense to make sure you collect everything you will need
for an evening under the stars before you head outside. Some people nd
it works best to make a list and keep it near your telescope. Others keep
everything they need in accessory cases for quick and easy access. Whichever
organizational method you choose, keep in mind that it is better to bring
everything out at once than to keep going back into the house and subjecting
your eyes to white light, or worse yet, not have what you need when you are
miles away from home. Don’t forget your red ashlight, remember to bring
extra batteries, and pack some coffee or hot cocoa while you’re at it!
Red Flashlight
A red ashlight helps you see star charts and equipment in dark surroundings
with minimal impact on your night vision.
Articial light is the enemy of amateur astronomers. When you are out
observing faint celestial objects, you need your eyes to perform at their best,
and that can only be accomplished when your pupils are as dilated as much
as possible. Our pupils dilate to allow us to see better in the dark, and any
white light that interferes with that process also interferes with our ability to
see details in the dark.
Red light is a lot friendlier to your night sight than white or yellow light, but it
still has some impact.
You need to use it judiciously and not keep it on all the time, as it can lower
your chances of observing faint deep sky objects. To minimize that impact,
turn the red ashlight on when you need to check a star chart or to adjust your
telescope or binoculars, but leave it off otherwise.
Cooling the telescope
Telescopes require at least 10 to 30 minutes of cooling down to outside
air temperature. However, this may take longer if there is a big difference
between the temperature of the telescope and the outside air. This minimizes
heat wave distortion inside the telescope tube.
Use this time for planning your session and mounting accessories.
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The aperture of a telescope is what determines how much light
a telescope can observe. The larger the aperture, the more light is
collected, which results in a greater image resolution. In short, with
a telescope with a larger aperture, you can see more detail & better
detail than the one with a smaller aperture.
?
12. FAQ’S
OTA is the housing and optical train of a telescope; not including the
mount, diagonal, eyepiece, or accessories.
What is OTA (Optical Tube Assembly)?
The aperture of a telescope refers to the diameter of the objective
lens (for a refracting telescope) or the primary mirror (for a reecting
telescope). The aperture of the telescope determines how much detail
you can see. The rule of thumb: the bigger the aperture, the more
detail you can see.
What is the aperture of a telescope?
?
?
Should I choose the larger aperture?
?
The focal length of a lens is determined when the lens is focused at
innity. The focus length of a telescope is usually associated with the
angle of view and the magnication of the telescope. In general, the
higher the focal length, the narrower the angle of view, but higher the
magnication. For example, with the same aperture and eyepiece, a
700mm focal length telescope will have a wider angle of view than a
900mm telescope, but it will have less magnication.
What is the focal length of a telescope?
?
The magnication of a telescope is equal to the telescope's focal
length divided by the eyepiece’s focal length. The focal length of a
telescope and an eyepiece are usually measured in millimeters. For
example, with a 20mm eyepiece, a 900mm telescope will give you a
45X magnication; with a 6mm eyepiece, a 900mm telescope will give
you 150X magnication.
How to calculate the magnication of a telescope?
?
This is because your OTA is not properly aligned with the viewnder.
First, align your setup during the daytime.
Point your telescope at a land object that is at a far distance and center
the object in the eyepiece. Adjust view nder alignment screws till
the viewnder is pointing at the same object you have centered in
your eyepiece. Repeat the same procedure at night by pointing at
a celestial object such as the moon and you might need to do some
small adjustments.
Why are the viewnder and the OTA pointing at a different
object?
?
A Barlow in astronomy is a lens to increase the magnication of
a telescope. Usually, a Barlow would be labeled “2X,” “3X,” etc. a
2X Barlow doubles the magnication of your telescope, and a 3X
Barlow trebles the magnication. For example, using a 2X Barlow on
a setup that originally gives you 150X magnication will double your
magnication making the overall magnication 300X.
What is aBarlow lens?
?
The “MM” number on an eyepiece refers to the focal length of the
eyepiece. For example, a 25mm eyepiece has a focal distance of
25mm. The bigger the number, the longer the focal, which results in a
lower magnication. For instance, a 1000mm telescope with a 25mm
eyepiece will give you a 40X magnication; a 1000mm telescope with
a 10mm eyepiece will give you 100X magnication.
What does the "MM" number on an eyepiece mean?
?
In general, it is better to start with a lower power eyepiece because
the lower magnication allows you to see a larger portion of the sky
making locating the object you are interested in viewing easier. As you
center the object you want to observe in the eyepiece, you may switch
out the lower power eyepiece and insert the higher power eyepiece
so you can see more details. Rule of thumb: The larger the number is,
the lower the power will be.
Which eyepiece should I start with?
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Our telescopes are perfect for taking an image of bright objects such
as the moon. To take an image through a telescope with your phone
is very easy. Point the telescope at and focus on the object you want
to take an image of, then hold your phone next to the eyepiece and
take an image.
Better yet, you can also use our phone adapter to take an image.
Secure the phone holder onto the eyepiece and place your phone
onto it. Then adjust the position of the phone till the object appears
on your screen. And now you can take as many images as you want to!
?
With the included eyepieces, you can observe the crater of the moon,
planets of our solar system, as well as Orion Nebula. You can also
observe terrestrial objects such as sailboats. However, please keep in
mind that never look at the Sun without a proper solar lter, this may
permanently damage your eyes.
What can I observe with my telescope?
?
How to take an image through a telescope with a phone?
?
The image should get to sharp focus with the included eyepieces and
diagonal. Check to focus on a distanced land object then try to use
the telescope on celestial objects. Check the front lens of the OTA and
the eyepiece and see if they are foggy due to the weather, if yes, then
use a glass cloth to lightly absorb the condensation. Check if the front
lens and eyepieces have nger prints or an eyelash on them, if yes, use
rubbing alcohol and glass cloth too lightly and gently clean off the lens
(DO NOT RUB).
Why cannot I get the image to sharp focus?
?
An equatorial mount is a mount for instruments that compensates for
the Earth's rotation by having one rotational axis parallel to the Earth's
axis of rotation. The advantage of an equatorial mount lies in its ability
to allow the instrument attached to it to stay xed on any celestial
object with a diurnal motion by driving one axis at a constant speed.
What is an equatorial mount?
?
Yes, by default, this telescope has a 1.25’’ eyepiece adapter so it will
work with all the 1.25’’ accessories.
Will this telescope work with my 1.25’’ eyepieces?
?
The red dot viewnder is a zero magnication pointing tool that uses
a coated glass window to superimpose the image of a small red dot
onto the night sky. To use the nder, simply look through the sight tube
and move your telescope until the red dot merges with the object.
Make sure to keep both eyes open when sighting
What is a red dot viewnder?
?
The main difference between refractor and reector telescope is that
the refractor uses optical lenses, and the reector telescope uses
mirrors. The difference is also in the maintenance required between
those two. The refractor telescope requires less maintenance than a
reector telescope. Refractor telescopes usually have smaller apertures
and are more expensive than reector telescopes.
Refractor vs. Reector Telescope – What Is The Difference?
?
Collimation is the process of aligning all the elements of an optical
system. Collimation is routinely needed in reectors, but seldom in
refractors.
What is collimation?
?
Similar to Latitude on the Earth's surface, it is the distance in degrees
North or South of the Celestial Equator (the projection of the Earth's
Equator onto the Celestial Sphere). The degrees can be sub-divided
into minutes and seconds.
What is declination?
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13. SPECIFICATIONS
Aperture diameter 60mm
Focal length 700mm
Focal ratio f/11.7
All TLS variants come with except model TLS-T70700:
Tripod - Aluminum fully
adjustable
Barlow lens - 3X Barlow
TLS-60700
Aperture diameter 70mm
Focal length 900mm
Focal ratio f/12.9
Mount Alt-azimuth
TLS-70900
TLS-T70700
Aperture diameter 60mm
Focal length 900mm
Focal ratio f/15
TLS-60900
Aperture diameter 70mm
Focal length 700mm
Focal ratio f/10
Mount Alt-azimuth
TLS-70700
Eyepieces 4mm,
10mm,
20mm
Barlow lens 2X Barlow
Aperture diameter 50mm
Focal length 3600mm
Focal ratio f /----
Aperture diameter 50mm
Focal length 600mm
Focal ratio f /----
TLS-S50600
Aperture diameter 70mm
Focal length 300mm
Focal ratio f /----
TLS-S70300
Aperture diameter 90mm
Focal length 600mm
Focal ratio f /----
TLS-PAZ-90600
Aperture diameter 102mm
Focal length 600mm
Focal ratio f /----
TLS-PAZ-102600
TLS-S50360
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14. CUSTOMER SOLUTIONS
DRAWING
of IMAGE
OBSERVATION LOG
OBSERVER:
OBJECT NAME:
DATE & TIME OBSERVED:
CONSTELLATION:
EYEPIECE SIZE:
SEEING CONDITIONS: EXCELLENT GOOD POOR
NOTES:
If you have a question concerning your AmScope Telescope, contact the Am-
Scope Customer Service at:
- Email: [email protected]
- Telephone: [phone] (toll free) / 949-333-0001.
- Fax: [phone]
Customer Service hours are 5:00 AM to 6:00 PM, Pacic Time, Monday
through Friday, excluding holidays.
In the unlikely event that your Telescope requires returns or exchange, write
or call the AmScope Customer Service rst, before returning the telescope,
giving full particulars as to the nature of the problem, as well as your name,
address, and daytime telephone number. The great majority of service issues
can be resolved by telephone, avoiding the return of the telescope. If factory
service is required, you will be assigned a Return Merchandise Authorization
(RMA) number prior to the return.
15. DISPOSAL - RECYCLING
Every AmScope telescope, spotting scope, and telescope accessory is
warranted by AmScope to be free of defects in materials and workmanship
for ONE YEAR from the date of original purchase in the U.S.A. and Canada.
This warranty applies to the original purchaser only and is non-transferable.
This warranty is not valid in cases where the product has been abused or
mishandled, where unauthorized repairs have been attempted or performed,
or where depreciation of the product is due to normal wear and tear. AmScope
specically disclaims special, indirect, or consequential damages or lost prot
which may result from a breach of this warranty. Any implied warranties which
cannot be disclaimed are hereby limited to a term of one year from the date
of original retail purchase. This warranty gives you specic rights. You may
have other rights which vary from state to state. AmScope reserves the right
to change product specications or to discontinue products without notice.
27 28

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DRAWING
of IMAGE
OBSERVATION LOG
OBSERVER:
OBJECT NAME:
DATE & TIME OBSERVED:
CONSTELLATION:
EYEPIECE SIZE:
SEEING CONDITIONS: EXCELLENT GOOD POOR
NOTES:
DRAWING
of IMAGE
OBSERVATION LOG
OBSERVER:
OBJECT NAME:
DATE & TIME OBSERVED:
CONSTELLATION:
EYEPIECE SIZE:
SEEING CONDITIONS: EXCELLENT GOOD POOR
NOTES:
29