D RR Meteor 700 Reflector Telescope Instruction Manual

D RR Meteor 700 Reflector Telescope Instruction Manual

THANK YOU very much for choosing a quality product from DÖRR.
Please read the instruction manual and the safety instructions carefully before using the device for the fi rst time.
Keep this instruction manual together with the device for later use. If other people use this device, provide them with this instruction manual. If you sell the device, the instruction manual is part of the device and must be supplied with it.

DÖRR is not liable for damage caused by improper use or failure to observe the instruction manual and safety instructions.
In the event of damage caused by improper handling or by external infl uence, the guarantee or warranty becomes void. Manipulation, structural alteration of the product, as well as opening the housing by the user or unauthorised third parties, is considered improper handling.

SAFETY INSTRUCTIONS

ATTENTION! The following safety instructions must be observed before use:

 NEVER look directly at or near the sun through this telescope or through the viewfi nder! There is a risk of blindness!
 The telescope is not a toy! Children must not use the telescope without adult supervision. Keep the telescope, accessories and packaging materials away from children and pets to prevent accidents and su ocation.
 People with physical or cognitive disabilities should operate the telescope under guidance and supervision.
 Please note that light shining through the eyepiece is highly focused and can generate a great deal of heat. Therefore, make sure that the telescope is not pointed at easily fl ammable materials. After use, please attach the protective eyepiece cap.

• Protect the telescope from rain, moisture, direct sunlight and extreme temperatures.
• Make sure that the telescope is placed on a solid surface so that it cannot tip over.
• Protect the telescope from impacts. Do not use the telescope if it has been dropped.
• If the telescope is defective or damaged, do not attempt to disassemble or repair the telescope yourself. Please contact your specialist dealer.
• Protect the telescope from dirt. Do not clean the telescope with petrol or harsh cleaning agents. We recommend using a lint-free, slightly damp microfibre cloth to clean the outer components of the telescope.
• Store the device in a dust-free, cool, dry place.
• This telescope is for private use only and is designed for observing nature and the sky.
• Respect the privacy of others: do not use this telescope to look into other people‘s homes

DISPOSAL
Please dispose of old appliances and packaging in an environmentally friendly manner and according to type. Sorting waste for separate collection and sensible recycling of packaging waste helps to use natural resources more sparingly. Furthermore, recycling is a contribution to preserving our environment and thus also people‘s health. Further information on the current legal regulations, proper disposal, recycling and collection points can be obtained from local authorities, waste disposal companies and specialised retailers.

NOMENCLATURE

1. Telescope Tube

2. Lens Front Cover

3. Finderscope

4. Support for Finderscope

5. Fixing Screws for Finderscope

6. Eyepiece
   6a Barlow Lens

7. Eyepiece Mount

8. Locking Screws for Height Fine Adjustment

9. Height Fine Adjustment

10. Focus Wheel

11. Azimuth Mount

12. Height Fine Adjustment Screw

13. 2 Wing Screws to connect the Telescope to the Mount

14. Mount Base with Tripod Connection

15. Locking Screw for Horizontal Movement

16. 3 Fixing Screws with Washers for tripod Connection

17. Wing Nut for 16

18. Extendable Tripod Legs

19. Fixing Screws for Tripod Legs

20. Brackets to fi x the Tripod Tray

21. Tripod Tray

22. Screws with Washers for 21 and 20

23. Wing Nuts for 22

SPECIFICATIONS

Lens diameter 76 mm
Focal length 700 mm
Focal ratio 1:9,2
Accessory mount 1 ¹/4“
Magnifi cations eyepieces SR4 = 175x (350x) H12.5 = 56x (112x) H20 = 35x (70x) with 2-times barlow lens
Tube length approx. 70 cm
Weight approx. 3,2 kg

SCOPE OF DELIVERY

• 1x Finder scope 5×24
• 3x Eyepieces SR4, H12.5, H20
• 1x Barlow lens 2x
• 1x Moon fi lter

ASSEMBLY INSTRUCTIONS

The Meteor is supplied in one carton. The components are packed in various inner cartons. The tripod legs are individually packed and stowed below the other cartons.

TRIPOD/MOUNT
First unpack the tripod legs (18). Adjust them all at the same length by extending them by 30 to 40 cm. Then fi x the screws (19). Now prepare all the mount components (11) + (14) with the 3 long screws (16) and the wing nuts (17). Fix the 3 tripod legs at the mount base (14). Slide the top of each tripod leg over one of the tripod connections of the mount base (14). Then fi x the screws (16) and (17) smoothly.

Note! The loose metal brackets (20) must points towards the inner side.

All 3 screws (16) + (17) at the tripod head/mount base (14) should mount into the same direction. Now unpack the tripod tray (21) and the screws with washers (22) and wing nuts (23). Place the tripod and mount in front of you.Connect on edge of the tripod tray (21) with one of the brackets (20) by sliding the bracket below the tray and use 1 set of screws & nuts (22) + (23) to fi x it smoothly. Repeat the procedure with the 2 other edges of the tray. Correct the fi xings in a way that the tripod will stand even. Then fi rmly fi x the tray (21) to the tripod. Afterwards fi x the screws (16) at the tripod head/mount base (14). A small triangle metal plate supplied with the accessories serves ideally as a screw driver. Prepare the telescope mounting by fi xing the locking screw (15) tightly so that the mount won’t rotate.

MOUNTING THE TELESCOPE
Unpack the telescope tube (1) thoroughly and remove the protection cover. For the time being leave the covers at the lens (2) and at the eyepiece mount (7). Both at the left and right side within the tube there are screw mounts with 2 wing screws (13). Remove these wing screws. At the right hand side of the mount there is a chrome-plated screw (12). Unscrew it until the round opening in the lower fi xed chromeplated part becomes fully free. Lift the telescope tube (1) over the mount (11). The bracket must be tilted backwards. At the right hand side of the telescope tube there is a chrome-plated bar (8). Slide this bar into the opening described at the lateral chrome-plated screw at the left side of the mount (8). Position the telescope tube onto the mount bracket in a way that the two screw mounts match exactly with the openings of them mount. Now screw the wing screws (13) through the bracket into the telescope tube screw mounts. Fix the screws evenly while the telescope is in horizontal position. Also fi x the chromeplated screw (8) at the right side of the mount. Now the two screws (13) at the telescope and the screw (8) serve for the height adjustment of the telescope. For fine adjustment you can also use the fine adjustment bar (9) by turning its socket union back and forth.

MOUNTING THE FINDERSCOPE
Loosen the screw (5) at the front end of the telescope tube near the eyepiece mount. Place the finderscope support onto the screws and fix the chrome-plated screw nuts. Now insert and fix the finderscope using the 3 small screws. Make sure the finderscope is in center position of the support (for details refer to section Adjusting the Finderscope).

EYEPIECES AND ACCESSORIES
First remove the lens cover (2) at the telescope tube (1). On top of the cover, there is another small lid. If you only remove the small lid, you can reduce the incidence of light. Now also remove the cover of the eyepiece mount (7). When you do not use your telescope, make sure to put the covers back.

EYEPIECES

3 eyepieces with diameter 11⁄4” (31.5 mm) are included:
SR4 = 175x (350x)
H12.5 = 56x (112x)
H20 = 35x (70x)
with 2-times barlow lens

HOW TO CALCULATE THE MAGNIFICATION FACTOR

The magnifi cation factor calculates very simply as follows:

Focal Length of Teleskope/Focal Length of Eyepiece = Magnifi cation e.g.
700/20 = 35x

Take the eyepiece H20 with the smallest magnification. Insert the eyepiece (6) into the eyepiece mount (7) and tighten it using the 2 small outer screws. Now you can start your observations.

CAUTION!
Observations of the sun are extremely dangerous. Do not use this telescope for sun observation. The optical elements have the e ects of a burning glass and will blind you! The ideal way to make safe sun observations is the usage of a special sun fi lter foil, which is fi xed at the front end of the telescope. The foil absorbs 99.9% of the sunlight.

STARTING OBSERVATIONS

Direct your telescope at daylight to a known object (house, church, tree or mountain). For the height adjustment of your telescope, loosen the screws (13 and (12). The lateral adjustment can be done with the small chrome-plated screw (15). Make sure to hold the telescope fi rmly, while you make theseadjustments. Aim your desired object through the telescope and tighten the mentioned screws again. Your object will be visible up-side-down and reverse which is caused by optical effects. Under astronomical consideration, there is no “top” and “bottom”.

FOCUSING

Turn the focus wheel (10) at the rear side of the telescope forth and back to focus your object properly. The adjustment will vary according to the distance of the object and depending on the usage of different components

ERECTING EYEPIECE FOR TERRESTRIAL OBSERVATIONS

To correct the reverse image, an optional erecting eyepiece 1.5x can be used. It comes with 1 side 11⁄4” outer dia. and 1 side 11⁄4” inner dia. Insert the smaller part into the eyepiece mount (7) and fix it using the two small screws of the eyepiece mount. Insert your eyepiece H20 at the other side of the prism and fix it with the small screws as described for the eyepieces earlier. This combination achieves a magnification of 35 x 1.5 = 56x. You can now start observation as usual

BARLOW LENS

The 2x barlow lens expands the original magnification of your eyepieces (6) by the factor 2. To insert it, follow the instructions of the erecting eyepiece. Observe and adjust as usual.

RECOMMENDATION

We recommend starting your observations always with small magnification. This guarantees you a wider field of view and you can recognize and focus your objects faster. The larger the magnification, the field of view decreases and you risk blurred images. The celestial objects will move faster out of the range of your telescope and you have to track more often.

MOON FILTER

Your telescope accessories include a moon fi lter. It provides observations of the full or light moon in rich contrasts. The moon filter is screwed into the eyepiece, when required.

CAUTION: DO NOT USE THIS FILTER AS A SUN FILTER!

ADJUSTING THE FINDERSCOPE

For daylight observation we recommend to use your telescope in combination with the eyepiece H20 (35x) only. Direct the telescope to a far-distanced object and adjust a particular part of your object (church tower, top of a tree of crane, TV antenna) in the center of your field of view. Now look through your finderscope which provides a reverse and up-side-down image. Open the 3 screws of the support (4) slightly and direct the reticle of your finderscope towards the center of your object. Tighten the 3 screws with care, making sure that the reticle stays in the center of the image. Your finderscope is adjusted now. It has a far larger field of view then your telescope and helps you to direct your telescope towards your desired objects which you can observe then through your telescope with smaller field of view.

CAUTION: DO NOT AIM THE SUN WITH THE FINDERSCOPE. YOU EYES CAN BE SERIOUSLY DAMAGED.

FURTHER HINTS FOR ASTRO OBSERVATIONS

Observe outdoors only, but not through a window. Train the hand movements a few times at daylight. In case of temperature differences between inside and outside, the telescope must get used to the predominant temperature in order to avoid fogging. Adopt yourself and your eyes to the darkness in advance. To clean the optical surfaces make sure to use appropriate fuzz-free optical tissues. Remove the dust with air pressure or a blow bellow. Avoid strong rubbing. We recommend studying specializing literature on astronomy and celestial observations. Enjoy your observations with your DÖRR-Telescope!

References

• Dörr Outdoor

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