Orion 10028 Instruction Manual Download Page 7

7

Telescope assembly

1.  Remove the tube rings around the telescope tube by 

loosening the thumb nuts on the rings and opening the 
hinges. (

Figure 14

2.  Attach the tube rings to the Alt-Azimuth Mount using 

the screws provided (attach from the bottom, tighten). 
(

Figure 15)

3.  With the Tube Rings open, lay the telescope tube in the 

rings, close the rings and secure with the thumb nuts on 
the Tube Rings. Finger-tight is fine, do not over-tighten. 
(

Figure 16)

4.  Loosen the Tube Rings to adjust the balance if needed.
5.  Install the Slow Motion Control Cables by sliding the 

open end with the thumbscrew over the notched pins 
on the Altazimuth Mount. Tighten the thumbscrew when 
it is over the flat surface on the notched pin. The Slow 
Motion Cable near the base of the Mount, will move 
the telescope slowly left-right, the other Slow Motion 
control Cable will move the telescope up and down. The 
telescope is aimed by holding the tube and moving it to 
the general area, the slow motion Control Cables will 
allow you to center an object and track it as it moves 
across the sky (everything in the sky slowly moves east 
to west, caused by the earth’s rotation – motorized or 
computer controlled telescopes do this “tracking” for you 
automatically). (

Figure 17

Finder Scope Assembly
1.  The finder will slide into a “Dovetail” bracket/port on the 

top/side of the telescope.

2.  Locate the “Red Dot” Finder scope in the accessory box 

and install the battery in the Red Dot Finder – make sure 
it is off when you store the telescope – it will drain the 
battery if left on for an extended period.

3.  Position the red Dot Finder scope in the dovetail port on 

the top of the telescope; secure with the thumbscrew on 
the side of the port. (

Figure 18)

4.  The Red Dot Finder scope or Finder is a “reflex” finder 

– when you look through the finder (from about a foot 
away), keeping BOTH eyes open, you will see a red dot 
where the telescope is aiming (you need to initially align 
the finder scope, as described later).

5.  The red Dot Finder scope has adjustable brightness 

(there is a dial on the side), you will want to keep it pretty 
dim when your eyes have dark adapted and you are 
looking for faint objects in the sky. Again, be sure to turn 
it off after using the telescope
. Since it is a dim red light, 
the Red Dot is not really meant to be used during the 
day.

Figure 18. 

Figure 15. 

Figure 16. 

Figure 17. 

Summary of Contents for 10028

Page 1: ...10028 StarBlast 70 10029 StarBlast 90 IN 506 Rev A 08 13 instruction Manual Customer Support www OrionTelescopes com contactus Corporate Offices 89 Hangar Way Watsonville CA 95076 USA Providing Excep...

Page 2: ...rews Optical tube Focuser Focus knobs Altitude fine adjustment control knob Altitude fine adjustment locking screw Yoke mount Accessory tray Dust cap Dew cap sun shade Yoke locking knob elevation alti...

Page 3: ...sen the height adjustment clamp extending the tripod leg retighten the clamp securely finger tight no need for tools 3 Spread the tripod legs apart and stand the telescope tripod upright Adjust the tr...

Page 4: ...Yoke Mount Figure 5 3 Insert the Micro Adjustable Altitude Control into the Altitude Knob Control Assembly on the side of the yoke mount the end with the fine adjustment knob goes towards the back the...

Page 5: ...hten or loosen the Altitude and Azimuth locking bolts ten sion control knobs if needed so that the telescope is easy to move but secure enough to keep the telescope pointed where you aim it Use your h...

Page 6: ...objects are best seen with the wide angle eyepiece 7 The high power eyepiece will probably be needed to see the rings of Saturn and details on Jupiter the moon will look spectacular The StarBlast 70...

Page 7: ...in the sky slowly moves east to west caused by the earth s rotation motorized or computer controlled telescopes do this tracking for you automatically Figure 17 Finder Scope Assembly 1 The finder wil...

Page 8: ...e and where other interesting objects in the night time sky are located and how to star hop to locate them http www telescope com catalog community jsp 6 The 10mm high power eyepiece gives higher powe...

Page 9: ...2 V block 1 25 filter When viewing planets at high powers above 100x the color fidelity can be improved with an Orion v block filter 1 25 Simply thread it into the bottom of the eyepiece and observe...

Page 10: ...er 10mm Eyepiece 1 25 60 Power Red Dot Finder scope correct image 90 Degree Star Diagonal 1 25 Inverted Image Adjustable Aluminum Tripod Weight 13 5 Pounds Height of Eyepiece 58 telescope tripod fully...

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