background image

6

3. Retighten the counterweight lock knob. The telescope is now 

balanced on the R.A. axis. 

4. To balance the telescope on the Dec. axis, first tighten the 

R.A. lock knob, with the counterweight shaft still in the hori-
zontal position. 

5. With one hand on the telescope optical tube, loosen the 

Dec. lock knob (see 

Figure 6

). The telescope should now 

be able to rotate freely about the Dec. axis. If the front of the 
telescope swings downward on its own (

Figure 9C

), that 

means you need to move it back in the mount’s saddle. If 
the front of the telescope swings upward, then you need to 
shift the telescope forward in the saddle. To move the tele-
scope in the saddle, while holding the optical tube securely 
in one hand, loosen the saddle lock knobs just a little – so 
the dovetail bar doesn’t accidentally pop out of the saddle. 
Position the telescope so it remains horizontal when you 
carefully let go with both hands (

Figure 9D

). This is the bal-

ance point. The tube can also be moving forward and back-
ward in the rings themselves instead of sliding the dovetail 
bar forward and back.

6. Retighten the saddle clamp knobs, and/or tube rings if nec-

essary. 

The telescope is now balanced in both axes. Now when you 
loosen the lock knob on one or both axes and manually point 

the telescope, it should move without resistance and should 
not drift from where you point it. 

V. Using the EZ Finder II 

finder scope

Operation

The EZ Finder II works by projecting a tiny red dot (it's not a 
laser beam) onto a lens mounted in the front of the unit. When 
you look through the EZ Finder II, the red dot will appear to 
float in space, helping you locate even the faintest of deep 
space objects. The red dot is produced by a light-emitting 
diode (LED) near the rear of the sight. A 3-volt lithium battery 
provides the power for the diode.

Figure 10.

 

Features of the EZ Finder II.

Power knob

Red LED

Battery cover

Tab

Altitude 

adjustment 

knob

Azimuth 

adjustment 

knob

Big Dipper

(in Ursa Major)

Little Dipper

(in Ursa Minor)

N.C.P.

Polaris

Cassiopeia

Figure 11. 

To find Polaris in the 

night sky, look north and find the 

Big-Dipper. Extend an imaginary line 

from the two “Pointer Stars” in the 

bowl of the Big Dipper. Go about five 

times the distance between those 

stars and you’ll reach Polaris, which 

lies within 1° of the north celestial 

pole (NCP).

Point

er St

ars

Figure 12. 

Adjusting tripod legs

Содержание Orion SpaceProbe 130ST

Страница 1: ...Free USA Canada 800 447 1001 International 1 831 763 7000 Customer Support support telescope com Copyright 2022 Orion Telescopes Binoculars All Rights Reserved No part of this product instruction or any of its contents may be reproduced copied modified or adapted without the prior written consent of Orion Telescopes Binoculars A N E M P L O Y E E O W N E D C O M P A N Y ...

Страница 2: ...patterns of stars in the major constellations With a little practice a little patience and a reasonably dark sky away from city lights you ll find your telescope to be a never end ing source of wonder exploration and relaxation These instructions will help you set up properly use and care for your telescope Please read them over thoroughly before getting started Contents I Unpacking 3 II Parts Lis...

Страница 3: ...cal surfaces have delicate coatings on them that can easily be damaged if touched inappropriately NEVER remove any lens assembly from its housing for any reason or the product warranty and return policy will be voided 1 Spread the tripod legs apart and stand the tripod on the ground You can extend the legs to the desired height later using the leg lock knobs For now just keep them fully retracted ...

Страница 4: ... is installed on the counterweight shaft 9 Back out the two saddle clamp knobs enough to allow the dovetail bar to seat properly Then lift the optical tube and set the dovetail mounting bar into the mount s saddle 10 When the dovetail bar is seated in the saddle tighten the saddle clamp knobs until tight 11 One of the two tube rings has a piggyback camera adapter on top the knurled silver ring and...

Страница 5: ... Figure 9A until it exactly counter balances the telescope That s the point at which the shaft remains horizontal even when you let go of the telescope with both hands Figure 9B Figure 7 The Visual Back eyepiece adapter threads onto the focuser drawtube Figure 8 Slide the EZ Finder II into the telescope s finder scope base as shown Front of telescope d c Figure 9 Proper operation of the equatorial...

Страница 6: ... Retighten the saddle clamp knobs and or tube rings if nec essary The telescope is now balanced in both axes Now when you loosen the lock knob on one or both axes and manually point the telescope it should move without resistance and should not drift from where you point it V Using the EZ Finder II finder scope Operation The EZ Finder II works by projecting a tiny red dot it s not a laser beam ont...

Страница 7: ...d gently prying open the case Then carefully pull back on the retaining clip and remove the old battery Do not overbend the retaining clip Then slide the new battery under the battery lead with the positive end facing the retaining clip outward and replace the battery cas ing Once aligned EZ Finder II will usually hold its alignment even after being removed and remounted Otherwise only minimal rea...

Страница 8: ...t 25 degrees If you reach the end of the range of motion and you cannot turn the knob further you should reverse direction by 10 degrees or so then release the Dec lock knob and move the telescope by hand back to about where it was pointed before the slow motion cable stopped turning Now you should be able to use the slow motion cable again for fine pointing in either direction VIII Tracking Celes...

Страница 9: ...n example Altair in the constellation Aquila Its coordinates are R A 19 hr 51 min Dec 8 52 1 Loosen the R A and Dec lock knobs on the equatorial mount so the telescope optical tube can move freely 2 Point the telescope at Altair Lock the R A and Dec lock knobs Center the star in the eyepiece with the slow motion control cables 3 Rotate the R A setting circle until the metal arrow indicates 19 hr 5...

Страница 10: ...mirror alignment is important to ensure the peak performance of your telescope so it should be checked regularly Collimating is relatively easy to do and can be done in daylight To check collimation remove the eyepiece and look down the focuser drawtube You should see the secondary mirror cen tered in the drawtube as well as the reflection of the primary mirror centered in the secondary mirror and...

Страница 11: ...mply watching to see if the dot of the collimation cap is moving closer or farther away from the ring on the center of the primary mirror Repeat this process on the other two collimation adjustment screws if necessary It will take a little trial and error to get a feel for how to adjust the mirror to center the dot of the collimation cap in the ring of the mirror mark When you have the dot centere...

Страница 12: ...h of the telescope by the focal length of the eyepiece focal length of telescope Magnification focal length of eyepiece For example the SpaceProbe 130ST EQ which has a focal length of 650mm used in combination with the 25mm eye piece yields a magnification of 650mm 26x 25mm Every telescope has a useful limit of magnification of about 2x per millimeter of aperture Which comes to about 260x for the ...

Страница 13: ...ny years sometimes they are seen edge on while at other times they are broadside and look like giant ears on each side of Saturn s disk A steady atmosphere good seeing is necessary for a good view You will probably see a bright star close by which is Saturn s brightest moon Titan VENUS At its brightest Venus is the most luminous object in the sky excluding the Sun and the Moon It is so bright that...

Страница 14: ...r eyeglasses Before cleaning with fluid and tissue however blow any loose particles off the lens with a blower bulb or compressed air Then apply some cleaning fluid to a tissue never directly on the optics Wipe the lens gently in a circular motion then remove any excess fluid with a fresh lens tissue Oily fingerprints and smudges may be removed using this method Use caution rubbing too hard may sc...

Страница 15: ...econdary mirror minor axis 37mm Focal length 650mm Focal ratio f 5 Focuser Rack and pinion accepts 1 25 eyepieces Eyepieces 25mm and 10mm Plössl fully coated with multi coatings 1 25 Magnification 26x with 25mm 65x with 10mm Finder scope EZ Finder red dot finder scope Mount German type equatorial Tripod Steel Motor drives Optional Weight 28 4lbs tube 6 9lbs mount 21 5lbs ...

Страница 16: ...he original retail purchaser only During this warranty period Orion Telescopes Binoculars will repair or replace at Orion s option any warranted instrument that proves to be defec tive provided it is returned postage paid Proof of purchase such as a copy of the origi nal receipt is required This warranty is only valid in the country of purchase This warranty does not apply if in Orion s judgment t...

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