Allgemeine Informationen - Oxybul Explor bul 60/700 Guia De Inicio Rapido

4. Observation
Aim the telescope at the object to be observed. Look through the finder scope or LED finder scope and centre the object in the
middle of the viewing field (crosshairs or red dot) by horizontally and vertically adjusting the telescope. Now look through the
lens and you will see the magnified object. Turn the focusing wheel to sharpen the focus if necessary. You can also change the
lens to achieve greater magnification.
i
HINT
Start each observation with a low-powered lens (20 mm).
5. Finding Stars
You may initially have problems orienting yourself in the sky, as stars and constellations are in constant movement and change
their position depending on the season, date and time. The North Star is the sole exception. It is a fixed star and the starting
point of all stellar maps. You can see some well-known stars and constellations on the map (No. 17) that are visible throughout
the year. The arrangement of the stars is dependent on the date and time, however.
6. Accessories
Your telescope is supplied with a number of accessories (No. 2). Depending on your telescope's model, these accessories may
include the following:
6.1. Eyepieces
Change eyepieces to change your telescope's magnification.
Formula for calculating magnification: Focal length (Telescope) ÷ Focal length (Eyepiece) = Magnification
Examples: 700 mm ÷ 20 mm = 35X / 700 mm ÷ 12.5 mm = 56X / 700 mm ÷ 4 mm = 175X
6.2. Zenith mirror (refraction telescope only)
The zenith mirror (19) reverses the image you see and is therefore used only for celestial observation.
6.3. Erecting lens
To see a vertical image the right way up, an erecting lens (20) may be used. Loosen the clamping screws (No. 22, X) and remove
all accessories from the eyepiece supports (6). Insert the erecting lens (20) into the eyepiece supports, and hand tighten the
clamping screws. Then insert the eyepiece into the erecting lens opening, and tighten the clamping screws (No. 22, Y).
6.4. Barlow lens
A Barlow lens (21) increases magnification.
6.4.1 Assembling and using refracting telescopes
If you use a refracting telescope, the Barlow lens should only be inserted into the zenith mirror (No. 12a, X). Remove the eyepiece
from the zenith mirror and replace it with the Barlow lens. Then insert the eyepiece with the greatest focal length and hand
tighten the clamping screw to affix it in place (No. 21, Z).
6.4.2 Assembling and using reflecting telescopes
If you use a reflecting telescope, undo the clamping screws on the eyepiece supports (No. 21, X), and remove the eyepiece from
those supports. Then insert the Barlow lens straight in the supports and hand tighten the clamping screws. Finally, insert the
eyepiece with the greatest focal length into the Barlow lens, and then fasten it in place with the clamping screws (No. 21, Z).
7. Dismantling
After an interesting and successful observation, it is recommended that you store the entire telescope in a dry, well-aired area.
On some telescopes, the tripod and mount can easily be separated. The adjustments to the mount will remain intact. Don't
forget to put the dust-protection caps onto the tube opening and onto the eyepiece connection before storing. Also, you should
stow all the eyepieces and optical accessories in their corresponding receptacles.
HINT
i
The erecting lens is not recommended for astronomical observations. Only use the diagonal mirror for astro-
nomical observations. Use the erecting lens to observe landscapes.
NOTES ON CLEANING
Clean the eyepieces and lenses only with a soft, lint-free cloth, like a microfibre cloth. To avoid scratching the lenses, use only
gentle pressure with the cleaning cloth. To remove more stubborn dirt, moisten the cleaning cloth with an eyeglasscleaning
solution, and wipe the lenses gently. Protect the device from dust and moisture. After use, particularly in high humidity, let the
device acclimatize for a short period of time, so that the residual moisture can dissipate before storing. Remove the dust cover
and store it in the included bag during use.
PART III - APPENDIX
1. Possible Observation Targets
The following section details several interesting and easy-to-find celestial objects you may want to observe through your teles-
cope. The pictures at the end of the manual show what the objects will look like through your telescope's eyepiece.
The Moon (No. 23)
The moon is Earth's only natural satellite. Diameter: 3,476 km Distance: 384,400 km from Earth (average)
The moon has been known to humans since prehistoric times. It is the second brightest object in the sky, after the sun. Because
the moon circles the Earth once per month, the angle between the Earth, the moon and the sun is constantly changing; one
sees this change in the phases of the moon. The time between two consecutive new moon phases is about 29.5 days
(709 hours).
Constellation Orion: The Orion Nebula (M42) (No. 24)
Right Ascension: 05h 35m (hours : minutes) Declination: -05° 22' (degrees : minutes) Distance: 1,344 light years from Earth
Though it is more than 1,344 light years from Earth, the Orion Nebula (M42) is the brightest diffuse nebula in the sky. It is visible
even with the naked eye and is a worthwhile object for telescopes of all types and sizes. The nebula consists of a gigantic cloud
of hydrogen gas with a diameter of hundreds of light years.
Constellation Lyra: The Ring Nebula (M57) (No. 25)
Right Ascension: 18h 53m (hours : minutes) Declination: +33° 02' (degrees : minutes) Distance: 2,412 light years from Earth
The famous Ring Nebula (M57) in the Lyra constellation is often viewed as the prototype of a planetary nebula. It is one of the
magnificent features of the Northern Hemisphere's summer sky. Recent studies have shown that it is probably comprised of a
ring (torus) of brightly shining material that surrounds the central star (only visible with larger telescopes), and not a gas struc-
ture in the form of a sphere or an ellipse. If you were to look at the Ring Nebula from the side, it would look like the Dumbbell
Nebula (M27). When viewed from Earth, we are looking directly at the pole of the nebula.
Constellation Vulpecula (Little Fox):
The Dumbbell Nebula (M27) (No. 26) Right Ascension: 19h 59m (hours : minutes) Declination: +22° 43' (degrees : minutes)
Distance: 1,360 light years from Earth The Dumbbell Nebula (M27) was the first planetary nebula ever discovered.
On 12 July 1764, Charles Messier discovered this new and fascinating class of objects. We see this object almost directly from
its equatorial plane. If we could see the Dumbbell Nebula from one of its poles, we would probably see the shape of a ring,
something very similar to what we know as the Ring Nebula (M57). In reasonably good weather, we can see this object well,
even with low magnification.
2. Troubleshooting
• No picture = Remove dust protection cap from the objective opening • Blurred picture = Adjust focus using the focus wheel.
• No focus possible = Wait for temperature to balance out. • Bad picture quality = Never observe through a glass surface. •
Object is visible in the viewfinder scope but not through the telescope.= Adjust viewfinder scope (See Part I, Section 6). • Despite
using diagonal mirror, the picture is crooked = The diagonal mirror should be vertical in the eyepiece connection.
Bedienungsanleitung
WARNUNG:
!
Schauen Sie mit diesem optischen Gerät niemals direkt oder in die Nähe der Sonne! Achten Sie besonders da-
rauf, wenn es von Kindern benutzt wird! Es besteht ERBLINDUNGSGEFAHR! Verpackungsmaterial (Plastiktüten,
Gummibänder, etc.) von Kindern fernhalten!

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GEFAHR!
Ce symbole précède un passage destiné à mettre l'utilisateur en garde face à un danger susceptible de
résulter d'un usage inapproprié et pouvant entraîner des blessures graves voire mortelles.
ACHTUNG!
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Dieses Produkt dient ausschließlich der privaten Nutzung. Es wurde entwickelt zur vergrößerten Darstellung von Naturbeobach-
tungen.
Allgemeine Warnhinweise
ERBLINDUNGSGEFAHR!
Schauen Sie mit diesem Gerät niemals direkt in die Sonne oder in die Nähe der Sonne.
Es besteht ERBLINDUNGSGEFAHR!
ERSTICKUNGSGEFAHR!
Kinder dürfen das Gerät nur unter Aufsicht benutzen. Verpackungsmaterialien (Plastiktüten, Gummibänder,
etc.) von Kindern fernhalten! Es besteht ERSTICKUNGSGEFAHR!