Bresser 9621803 Скачать руководство пользователя страница 3 | Manualshive

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Never look into or near the sun with a telescope:

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PARTS OVERVIEW

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Explanations about the items from p.
5 ff. onwards.

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Содержание 9621803

Страница 1: ...Instruction manual SpaceExplorer NT 150 750 EQ Reflector telescope Art No 9621803 ...

Страница 2: ...ng directly at the sun or even at its surroundings you risk immediate and irreparable damage to your eye Damage to the eye happens mostly painlessly and therefore without any warning to the observer so that it is perhaps already too late as soon as an eye damage has occured Therefore never point the telescope or its viewfinder at or near the sun Never look through the telescope or its viewfinder w...

Страница 3: ... 2 2 Never look into or near the sun with a telescope Risk of blindness PARTS OVERVIEW 3 Explanations about the items from p 5 ff onwards 2 a 2 2 3 3 3 3 Fig 1d Fig 1c 2 C d e 1 G 1 J 1 1 Fig 1a Fig 1b e G d 1 ...

Страница 4: ...etting started 10 Balancing the telescope 10 ALIGNING THE VIEWFINDER 10 Using accessories 12 Eyepieces 12 Smartphone adaptor 12 Observation 13 Observation during manual operation 13 Moon Observations 13 Tracking of an object 13 The parallactic home position 14 Maintenance Service 15 General maintenance instructions 15 Adjustment of the Newton system 16 Checking the optics 18 Technical data 18 Warr...

Страница 5: ... is equipped with a small dust cover located at the front end 7 viewfinder holders fixes the viewfinder in place 8 Focus wheel causes a fine movement of the focussing drive to ensure a precisely focused image The telescope can be focused in a range from about 150m to infinity Turn the focus wheel slowly to focus on objects 9 Dust cover w o fig prevents dust from entering the tube and settling on t...

Страница 6: ... the so called right ascen sion axis More information in the accompanying booklet download via link on p 2 32 N A 33 RA Clamp Controls the manual movement of the telescope By turning the RA locking screw counterclockwise you free the telescope and allow it to rotate freely around the RA axis Turn the screws clockwise hand tight close the clamp again and prevent the telescope from moving manually H...

Страница 7: ...ollowing address http www bresser de Here are some links to third party provider sites No liability can be assumed for the content of these pages Internet forum Astronomie de astronomy com The magazine Astronomie DAS MAGAZIN www astronomie magazin com The journal Astronomy www astronomy com Internet forum Astrotreff www astrotreff de Astronomical clubs and planetariums https www sternklar de gad A...

Страница 8: ...e with the wider cut out is facing down wards The spacer ring must rest on the shoulder of the threaded rod Next add the two washers G Now push the threaded rod through the tripod head from below and slide the C clip from above Fig 4a A on the notch Fig 4a B of the threaded rod 4 Attachment of the mount to the tripod head Place the mount on the tri pod head Fig 5 Place the mount on the tripod head...

Страница 9: ...crews and screw the thumbscrews back on 10 Inserting the eyepiece Fig 10 First remove the dust cap from the eyepiece holder on the focusing unit Place the dust cap in a safe place and replace it when you have finished observing to prevent dirt from entering the telescope Open the eyepiece clamping screws 1 Fig 1a and insert the supplied eyepiece 3 Fig 1a into the eyepiece holder Then hand tighten ...

Страница 10: ...rm steps 1 to 4 below during the day or at dusk and step 5 at night 1 Remove the dust caps from your telescope and if present from the viewfinder 2 If not already done place the eyepiece 3 Fig 1b into the eyepiece hol der of the main telescope See step 10 page 9 3 Now look through the viewfinder and find an object that is at least 1000m away TIP Remove the viewfinder from the holder to facilitate ...

Страница 11: ...cs 1 How a star is born How a solar system is formed 2 How to measure the distance of a star What exactly is a light year 3 What is a red and blue shift 4 How were the craters of the moon formed How old are the earth and the moon How old is the Sun 5 What is a black hole a quasar a neutron star 6 What are the stars made of Why do the stars have different colours What is a white dwarf what is a red...

Страница 12: ... ture bright flat objects e g the moon or depending on the sensor sensi tivity of the smartphone also planets For mounting insert the eyepiece A Fig 17 through the mountin ring B Fig 17 of the Smartphone adaptor and fix it with the thumbscrew X Fig 17 Insert the eyepiece with the attached Smartphone adapter into the eyepiece socket C Fig 17 Place the Smartphone between the two retaining jaws Y Fig...

Страница 13: ...wever that the moon is not visible every night Now practice using the different eyepieces to observe different details on the moon There are many different details to look at on the moon such as craters mountain ranges and grooves The best time to observe the moon is during its crescent or sickle phase At this time the sunlight hits the moon at a very shallow angle giving its appearance a vivid de...

Страница 14: ...nably accurately your telescope is now sufficiently well aligned with Polaris the North Star and you can begin making observations Once the mount has been aligned with the polar star as described above it is not necessary to adjust the latitude setting again unless you move your observation to a completely different geographical location different latitude setting required IMPORTANT NOTE For almos...

Страница 15: ...ographic lens cleaners under any circumstances c Organic soiling fingerprints etc on optical surfaces is best removed with a cleaning fluid consisting of three parts distilled water and one part isopropyl alcohol You may add a small drop of biodegradable dish washing liquid per half litre of cleaning liquid Also use only soft white cosmetic wipes make short careful wiping motions and change wipes ...

Страница 16: ...ntered in the middle see figure 7 On the other hand with a fast focal ratio f 5 or f 4 or smaller of a Newtonian telescope the secondary mirror must be offset in two direc tions from the centre 1 away from the focuser and 2 towards the main mirror by the same amount This so called offset is a few mm in both directions Remember that these settings were made at the factory before the telescope was s...

Страница 17: ...llimated you will discover eccentric circles 2 Fig 32 Adjust the three collimation screws on the primary mirror hou sing until the circles inside and outside the focus are concentric It is only important that at the end of the primary mirror collimation the counter screws are tightened one after the other with a lot of feeling for several times Because they now hold the primary mirror tilt free in...

Страница 18: ...ns on the day of purchase You can consult the full guarantee terms as well as information on exten ding the guarantee period and details of our services at www bresser de warranty_terms In case of warranty or other service requests please contact the customer service responsible for your country beforehand preferably by e mail MAINTENANCE TECHNICAL DATA SpaceExplorer NT 150 750 EQ Item number 9621...

Страница 19: ...v bresser fr Téléphone 00 800 6343 7000 BRESSER France SARL Pôle d Activités de Nicopolis 314 Avenue des Chênes Verts 83170 Brignoles France Prix d un appel local depuis la France ou Belgique NL BE Als u met betrekking tot het product vragen of eventuele klachten heeft kunt u contact opnemen met het service centrum bij voorkeur per e mail E Mail info bresserbenelux nl Telefoon 31528232476 BRESSER ...

Страница 20: ...resser GmbH 46414 Rhede Germany No part of this manual may be reproduced transmitted transcribed or translated into any language in any form without the written permission of Bresser GmbH Errors and technical changes reserved Manual_9621803_SpaceExplorer NT 150 750 EQ_en_BRESSER_v102021a ...

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