Bresser 80/400 Manuale utente
Telescope ·
NightExplorer 80/400
EN Instruction manual
DE
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EN
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the available translations of these instructions.
FR
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NL
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ES
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IT
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www.bresser.de/download/9621800
www.bresser.de/warranty_terms
GARANTIE · WARRANTY · GARANTÍA · GARANZIA
3
Contents
1 Imprint .............................................................................................................................................................4
2 Validity note ....................................................................................................................................................4
3 About this Instruction Manual.......................................................................................................................4
4 Intended Use ...................................................................................................................................................4
5 General safety instructions ...........................................................................................................................5
6 Parts overview & scope of delivery ..............................................................................................................6
7 Site location ....................................................................................................................................................7
8 Setting up the tripod ......................................................................................................................................7
9 Moving the tripod head ..................................................................................................................................7
10 Mounting the OTA on the tripod ...................................................................................................................8
11 Installing accessories ....................................................................................................................................8
12 Using eyepieces .............................................................................................................................................9
13 Using the diagonal mirror..............................................................................................................................9
14 Smartphone holder installation.....................................................................................................................9
15 Before starting an observation ...................................................................................................................10
16 Observation...................................................................................................................................................10
17 Troubleshooting ...........................................................................................................................................10
18 Cleaning and maintenance ..........................................................................................................................10
19 Disposal.........................................................................................................................................................11
20 Warranty ........................................................................................................................................................11
4 / 16
1 Imprint
Bresser GmbH
Gutenbergstr. 2
46414 Rhede
Germany
www.bresser.de
For any warranty claims or service enquiries, please refer to the information on "Warranty" and "Ser-
vice" in this documentation. We apologize for any inconvenience caused by the fact that we cannot
process enquiries or submissions sent directly to the manufacturer's address.
Errors and technical changes excepted.
© 2021 Bresser GmbH
All rights reserved.
The reproduction of this documentation - even in extracts - in any form (e.g. photocopy, print, etc.) as
well as the use and distribution by means of electronic systems (e.g. image file, website, etc.) without
the prior written permission of the manufacturer is prohibited.
The designations and brand names of the respective companies used in this documentation are gen-
erally protected by trade, trademark and/or patent law in Germany, the European Union and/or other
countries.
2 Validity note
This documentation is valid for the products with the following article numbers:
9621800
Manual version: 0921
Manual designation:
Manual_9621800_NightExplorer-80-400_en_BRESSER_v092021a
Always provide information when requesting service.
3 About this Instruction Manual
NOTICE
These operating instructions are to be considered a component of the device.
Read the safety instructions and the operating manual carefully before using this device.
Keep this instruction manual in a safe place for future reference. When the device is sold or given to
someone else, the instruction manual must be provided to the new owner/user of the product.
4 Intended Use
• This device is not intended for use by persons (including children) with impaired physical, sensory
or mental abilities, or for lack of experience and/or knowledge, unless they are supervised by or
have received instructions from a person responsible for their safety on how to use this device.
• This device is for personal use only.
• It was developed for an magnified representation of nature observations.
5 / 16
5 General safety instructions
DANGER
Risk of blindness!
Never look directly at, or near the sun with this device. There is a RISK OF BLINDNESS!
DANGER
Danger of suffocation!
Improper use of this product may result in suffocation, especially for children. It is therefore imperative
that you observe the following safety information.
• Keep packaging materials (plastic bags, rubber bands, etc.) away from children! There is a danger
of choking!
• This product contains small parts that can be swallowed by children! Choking hazard!
CAUTION
Fire hazard!
Improper use of this product may result in fire. It is essential that you observe the following safety in-
formation in order to avoid fires.
• Do not place the device, particularly the lenses, in direct sunlight. The concentration of light could
cause a fire.
NOTICE
Danger of material damage!
Improper handling may result in damage to the unit and/or accessories. Therefore, use the device only
in accordance with the following safety information.
• Do not disassemble the device! In the event of a defect, please contact the after sales support
number listed below.
• Do not subject the device to excessive vibrations.
• Do not expose the components to direct sunlight for a longer time.
• Do not expose the device to high temperatures and protect it from water and high humidity.
NOTICE
Privacy Protection
Respect the privacy of your fellow human beings - do not look into flats with this device, for example!
6 / 16
6 Parts overview & scope of delivery
SR-4mm H-12.5mm H-20mm
PUSH
36
9
1
10
5
4
2
36
8
16
23
24
25
26
27
29
28
31
34
32
30
33
35
7
15
21
11
11
17
14
A
C
D
B
20
19
20
18
17
F
44
42
22
E
12
38
39
13
37
40
41
43
Illustration1: All parts of the telescope
1 Dew protection cap 2 Objective lens (Inside)
3 Optical Tubes 4 Eyepiece holder
5 Fixing screw (Eyepiece connection) 6 Dust cap (Eyepiece connection)
7 Eyepieces 8 Fixation screw (Diagonal mirror)
9 Diagonal mirror 10 Focus wheel
11 Tripod head plate 12 Tripod head with tilting mechanism
13 Locking lever (tripod head plate) 14 Fixing screw (tripod head tilt 90°)
15 Fixing screw (tripod head plate) 16 Fixing spigot
17 Threaded screw (tripod head plate) 18 Height adjustable tripod rod
19 Fixing screw (horizontal adjustment) 20 Manual guidance (vertical adjustment)
21 Tripod head 22 Circular level
23 Fixing screw (height adjustment) 24 Crank (height adjustment)
25 Tripod center rod 26 Push button
27 Hook 28 Tripod foot
7 / 16
29 Tripod leg lower part 30 Lower locking clip
31 Tripod leg center section 32 Upper locking clip
33 Tripod cross 34 Tripod leg upper part
35 Mounting base 36 Dust cap (lens)
37 Mounting ring 38 Fixing screw (mounting ring)
39 Bracket 40 Guide rail
41 Fixing screw (bracket) 42 Velcro fasteners
43 Carrying strap 44 Zipper (back)
Scope of delivery:
Optical tube (A), tripod (B), 3 eyepieces: SR-4mm, H-12.5mm, H-20mm (C), diagonal mirror (D),
smartphone holder (E), backpack (F), user manual
7 Site location
Choose a dark location to avoid an interference of dark adaption throughout lights. A flat and stable
surface is recommended.
Do not observe from closed rooms. Approx. 30 minutes before starting an observation, position the
telescope and the accessories on the desired location to allow a temperature compensation.
8 Setting up the tripod
1. Press the push button on the tripod center rod and at the same time slowly pull the tripod legs out-
wards until the tripod cross is fully extended.
2. Open the upper locking clips one after the other and pull out the tripod leg middle parts completely.
3. Open the lower locking clips one after the other and extend the tripod leg lower parts to the de-
sired height.
4. Make sure that the air bubble of the circular level is centered in the circle to ensure a level stand. If
necessary, readjust the lower parts of the tripod leg.
5. Close the locking clips.
6. Loosen the fixing screw for the height adjustment.
7. Extend the tripod head to the desired height using the crank.
8. Hand-tighten the fixing screw for the height adjustment.
9 Moving the tripod head
NOTICE
Tighten locking screws/rings only by hand.
Tighten locking screws/rings only by hand. Rings and threads can break when overtighten them!
1. Loosen the fixing screw for horizontal movement to move the tripod head to the right or to the left.
2. Tighten the fixing screw by hand to set the tripod in current horizontal position.
3. Loosen the fixation for vertical movement by turning the handle counterclockwise. Tilt the tripod
head up and down.
4. Turn the handle clockwise to to set the tripod head in current vertical position.
5. Loosen the fixing screw for the tripod tilt plate to tilt the the attached optics sidewards for a viewing
position up to 90 degrees.
8 / 16
6. Tilt the tilt plate to the right and tighten the fixing screw by hand to set the tilt plate in current posi-
tion.
10 Mounting the OTA on the tripod
NOTICE
Save the OTA when installing it.
Save the OTA always with one hand when installing it! It can cause serious damage if the device is
falling down.
1. Push the locking lever on the tripod head to the FREE position and simultaneously remove the tri-
pod head plate from the holder.
2. Screw the threaded screw of the tripod head plate into the thread of the mounting base of the op-
tical tube to fix the tripod head plate to the optical tube. Make sure that the fixing pin engages in
the corresponding hole.
3. Push the locking lever on the tripod head to the FREE position and insert the optical tube with the
mounted tripod head plate into the holder. Make sure that the objective lens points in the opposite
direction to the guide handle.
4. Push the locking lever into the LOCK position.
11 Installing accessories
Z1
Z3
Z4
Z5
Z2
Illustration2: Attach accessories to the optical tube
Z1 Eyepiece Z2 Fixation screw (Diagonal mirror)
Z3 Diagonal mirror Z4 Eyepiece holder
Z5 Fixing screw (Eyepiece connection)
1. Loosen fixing screw.
2. Insert the desired accessory into the eyepiece holder.
3. Tighten the fixing screw by hand that the accessory ist fixed in a secure way.
9 / 16
12 Using eyepieces
The magnification depends on the focal length of the telescope and the eyepiece. By changing the
eyepieces, the magnification can be varied.
Formula for calculating the magnification:
Focal length telescope : Focal length eyepiece = Magnification
Example calculation:
400 mm : 20 mm = 20x
Three eyepieces are included with this telescope. Always start observation with a high focal length
eyepiece (= low magnification).
13 Using the diagonal mirror
The diagonal mirror is inserted into the eyepiece holder in front of the eyepiece. This allows a more
comfortable view. It causes an image inversion to an upright but laterally inverted image.
14 Smartphone holder installation
S4
S1
S2 S5
S6
S3
Illustration3: Mounting the smartphone holder
S1 Mounting ring S2 Fixing screw (mounting ring)
S3 Guide rail S4 Smartphone*
S5 Clamping bolt S6 Fixing screw (guide rail)
CAUTION!When inserting and subsequently using the smartphone holder, always ensure that
the smartphone* inserted is secured in the holder in such a way that it cannot slip or fall! The
manufacturer accepts no responsibility for damage to the smartphone caused by improper or
incorrect handling!
1. Insert an eyepiece into the diagonal mirror on the telescope and fix it in place.
2. Put the smartphone holder with the mounting ring (S1) over the inserted eyepiece and screw it
tight with the fixing screw (S2).
3. Push the clamp bolts (S5) of the holder apart and clamp the smartphone* between them. Position
the smartphone lens exactly in the center of the eyepiece so that the image can be seen exactly in
the center of the display. If necessary, use the zoom function to adjust the image to fill the display.
4. Launch the Camera app* on the smartphone*. In the Camera app*, the image captured through
the eyepiece is displayed.
10 / 16
5. If necessary, correct the position of the smartphone* until the desired image section is displayed.
To do this, loosen the fixing screw (S6) on the underside of the holder and move the smartphone
up or down on the rail in the holder.
6. Use the shutter button of the camera app to take a picture of the observation object.
NOTICE!In order to be able to create an image that is as shake-free as possible, we recommend
using a remote control* (e.g. via Bluetooth) for the shutter release process.
*not included with the purchase
15 Before starting an observation
The tube opening and the eyepiece holder are protected by fust protection caps. Remove the protec-
tion caps before starting the observation. Replace cap when storing the it.
16 Observation
DANGER
Risk of blindness!
Never look directly at, or near the sun with this device. There is a RISK OF BLINDNESS!
1. Roughly align the telescope with the desired object (e.g. the moon) and look through the eyepiece.
2. By adjusting the telescope horizontally and vertically, bring the object into the center of the field of
view.
3. The object is magnified through the eyepiece.
4. If necessary, adjust the focus with the focus wheel.
5. By changing from a high focal length eyepiece to a low focal length eyepiece, the magnification
can be increased.
17 Troubleshooting
Problem/Error Possible solution
No image Remove protective caps;
Select eyepiece with lower magnification
Blurred picture Adjusting the focus using the focus wheel
No focusing possible Wait for temperature equalization
Bad picture Do not observe through glass panes
"Crooked" image despite diagonal mirror Aligning the eyepiece socket of the diagonal mir-
ror vertically
18 Cleaning and maintenance
NOTICE
Never take the objective out of its socket and do not modify its adjustment screws.
It is not possible to reinstall the objective in an accurate manner without specialist knowledge. A signi-
ficant reduction of the optical performance is the result. In this case the warranty claims become void!
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