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Bresser 96-18760 - Skylux 70-700 Manual

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ter is the use of compressed air from a can. If your telescope has
collected dust or moisture internally, do not try to clean it yourself
but return it directly to your local specialist.
Don’t clean the telescope’s optics too often. Doing this, may
result in damaged coatings. If you telescope should have become
dusty from the inside, don’t attempt to clean it on your own but
consult your local dealer or BRESSER centre of your country.
Appendix
1. Possible observation targets
In the following, we like to present to you a choice of very inter-
esting and easy-to-find celestial objects. On the depending pic-
tures at the end of the manual you will see how they will appear
in the eyepiece of your telescope:
The moon (Fig. 21)
The moon is the only natural satellite of the earth.
Diameter: 3,476 km
Distance: 384.000 km (average)
The moon is well-known since thousands of years. He is the sec-
ond-brightest celestial object after the sun. Because the moon
circles around the earth, he changes periodically its inclination
to the sun; therefore we see changing phases. The time for one
complete lunation is 29.5 days (709 hours).
Constellation Orion: The great Orion nebula / M 42 (Fig. 22)
Right Ascension: 05h 33’ (hours : minutes)
Declination: -05° 25’ (Degrees : minutes)
Distance: 1.500 light years
Though it is 1,500 light years away, the Orion nebula (M 42) is
the brightest nebula object at the sky – visible even with naked
eyes and a worthwhile object for telescopes of all kinds and
sizes. It consists of a gigantic cloud of hydrogen gas with a diam-
eter of hundreds of light years, taking a field on the sky of 10°.
Constellation Lyra: The Ring Nebula / M 57 (Fig. 23)
Right Ascension: 18h 52’
Declination: +32° 58’
Distance: 4.100 light years
The famous Ring Nebula is often called the prototype of plan-
etary nebulae; he belongs to the northern hemisphere summer
sky’s pieces of splendour. Recent investigations have shown that
he is a ring of light-emitting matter that surrounds its central star
(only visible in bigger telescopes). If one could look onto its top,
he would see a structure like the Dumbbell Nebular / M 27.
Constellation Vulpecula (little fox):
The Dumbbell Nebula / M 27 (Fig. 24)
Right Ascension: 19h 59’
Declination: +22° 43’
Distance: 1.250 light years
The Dumbbell Nebula / M 27 was the first planetary nebula ever
found. On July 12th, 1764, Charles Messier discovered this new
and fascinating class of objects. We can see it directly from its
equatorial pane. If it could be viewed from top, we would appear
like the Ring Nebula / M 57. This Object can even be viewed at
average weather conditions at low magnifications.
2. Technical data
Focal length: 700 mm
Objective diameter: 70 mm
Article number
Optical design: achromatic refractor (2 lenses)
• Magnification: 35- or 175x (depending on the eyepiece)
with the inverted eyepiece 1.5x: 52.5x or 262.5x (depending on the eyepiece)
with the Barlow lens 3x: 105- or 525x (depending on the eyepiece)
• Viewfinder: 5x24
• Mount: equatorial on tripod
Achrom. Refraktor
Achromatic Refractor
Art. No. 96-18750
f=700 mm / d=70 mm
3. Troubleshooting:
Mistakes: Help:
No picture Remove dust protection cap and
sunbathe-shield from the objective
opening.
Blurred picture Adjust focus using focus ring
No focus possible Wait for temperature to balance out
Bad picture Never observe through a glass
surface
Viewing object visible Adjust finder (See Part I:
in the finder, but not 6. Construction)
through the telescope
Heaviness in the flexible Telescope not balanced
handles on the axis
over the shaft
Despite using star The star diagonal prism
diagonal prism should be vertical in
the picture is the eyepiece connection
“crooked”
DISPOSAL
Dispose of the packaging materials properly,
according to their type (paper, cardboard, etc).
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 envi-
ronmental authority.
4. SERVICE AND GUARANTEE
This device is guaranteed for 5 years from the date of purchase.
Please keep the receipt as proof of purchase.
Our products are manufactured using the latest manufacturing
techniques and undergo rigorous quality control.
Service Centre
Please contact the service centre for any questions regarding
the product or claims. Our trained staff will be happy to help.
The service hotline is listed below. If it is necessary to make a
guarantee claim (repair or exchange), our service staff will supply
you with the return address.
Service hotline: 00 800 6343 7000*
Correction of defects and returns
We will repair any material or manufacturing defects free of
charge during the guarantee period. Excluded from the guaran-
tee are faults due to damage caused by the user, or improper use
due to non-authorised third-party attempted repairs or similar. If it
is necessary to repair or exchange a product, our service centre
employees will supply you with the return address.
In the case of returns, please note the following:
• Make sure that the article is carefully packaged. If possible use
the original packaging.
• Fill in the returns form and include it with a copy of your receipt
and the product you are returning.
Returns form
Transaction no.**: ............................................................
Product name: .................................................................
Short description of defect: ...............................................
......................................................................................
Surname, first name: .........................................................
Postcode / Town: .............................................................
Street / House no.: ..........................................................
Telephone: .....................................................................
Date of purchase: ............................................................
Signature: .......................................................................
*Free call
**will be supplied to you by the service centre
… 16 …


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