Orion SpaceProbe II 76mm, 10277 Instruction Manual
INSTRUCTION MANUAL
Orion®
SpaceProbe™ II 76mm
Altazimuth Reflector
#10277
Providing Exceptional Consumer Optical Products Since 1975
All Rights Reserved. No part of this product instruction or any of its contents may be reproduced, copied,
modied or adapted, without the prior written consent of Orion Telescopes & Binoculars.
®
Copyright © 2017 Orion Telescopes & Binoculars
Customer Support:
www.OrionTelescopes.com/contactus
Corporate Offices:
89 Hangar Way, Watsonville CA 95076 – USA
IN 579 04/17
Congratulations on your purchase of an Orion telescope. Your new SpaceProbe II 76mm Altazimuth
Reector is a terric starter instrument for exploring the exotic wonders of the night sky. Designed to be
lightweight and easy to use, it will provide many hours of enjoyment for the whole family.
If you have never owned a telescope before, we would like to welcome you to amateur astronomy. Take
some time to familiarize yourself with the night sky. Learn to recognize the 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
nd your telescope to be a never-ending 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.
Table of Contents
1. Parts .......................................2
2. Assembly....................................2
3. Preparing the Telescope for Operation .............4
4. Astronomical Observing ........................5
5. Aligning the Mirrors (Collimation) .................9
6. Telescope Care and Maintenance ...............10
7. Worthwhile Optional Accessories ................ 11
8. Specications ............................... 11
WARNING: Never look directly at the Sun through
your telescope—even for an instant—without a
professionally made solar lter that completely
covers the front of the instrument, or permanent eye
damage could result. Young children should use this
telescope only with adult supervision.
1. Parts
Part Quantity
A – Tripod legs 3
B – Hex-head tripod mounting bolts 3
C – Washers 3
D – Wing nuts 3
E – Leg lock thumbscrew 3
F – Accessory tray 1
G – Altazimuth yoke mount 1
H – Azimuth lock knob 1*
I – Telescope optical tube 1
J – Altitude lock knob (same as H and E) 1
K – Tripod leg brace 1
L – Red dot nder scope 1
M – Dust cover 1
N – 25mm Kellner eyepiece 1
O – 10mm Kellner eyepiece 1
P – Yoke knobs 2
* May come pre-installed.
2. Assembly
Refer to Figures 1 and 2 and the parts list at left for identica-
tion of specic parts during assembly.
1. Thread a leg lock thumbscrew (E) into each tripod leg (A)
as shown in Figure 3, and tighten. Do not over-tighten
the leg lock thumbscrews or you may damage the collar they are attached to.
2. Now attach the tripod leg brace (K) to the three aluminum
tripod legs (A) using the screws in the brace attachment
brackets (Figure 4). Remove the nut and the screw from
the bracket, then insert one of the brace struts into the
bracket, lining up the holes to allow the screw to be inserted through the bracket and strut. Make sure the leg brace
is oriented so that the threaded hole in the center is facing
up. Then thread the nut on the exposed end of the screw
and tighten – nger tight should be good enough.
3. With the leg brace attached to all three tripod legs, attach
the tripod legs to the altazimuth yoke mount (G). Three
hex-head bolts (B) with washers (C) and wing nuts (D) are
provided for this purpose. Note that the bolts should be
inserted from the side of the leg that has the hex-shaped
hole, so that the bolt head seats in the hex-shaped hole
(Figure 5a). The washer, then the wing nut are placed on
the opposite side on the exposed end of the bolt (5b).
4. Now stand the tripod upright, spreading the legs apart so
the accessory tray can be installed.
5. Attach the accessory tray (F) to the tripod leg brace (K)
(Figure 6). Rotate the tray clockwise to thread the screw
on the underside of the tray into the threaded socket in the
center of the tripod leg brace.
The tripod and mount are now fully assembled (Figure 7).
Next you will attach the telescope optical tube to the altazimuth yoke mount.
6. With the optical tube (I) oriented relative to the yoke mount
(G) as shown in Figure 8, slide the altitude micro-motion
rod into its receptacle on the side of the yoke (Figure 8a).
Then place the optical tube into the yoke so that the altitude castings on the side of the optical tube slide into the
grooves of the yoke (8b). To secure the optical tube to the
mount, insert the yoke knobs (P) through the holes on
each side of the yoke and thread them into the altitude
2
I
M
L
K
A
E
L
I
Figure 1.
HG
The parts of the SpaceProbe II 76mm Altazimuth Reector telescope.
Altitude
Azimuth
PPBCDJ
ON
F
N
J
G
F
E
Figure 2. The SpaceProbe II 76mm Altazimuth Reector telescope fully assembled.
A
3
castings on the optical tube (8c). They should be reasonably tight but still allow movement of the telescope up and
down with gentle force.
7. Thread the altitude lock knob (J) into its receptacle on the
side of the yoke mount and tighten it (Figure 9).
8. Install the red dot nder scope (L) on the optical tube. Do
this by orienting the nder scope as shown in Figure 10
and sliding the bracket foot into the nder scope base until
it clicks. (To remove the nder scope, press the small tab
at the back of the base and slide the bracket out.)
9. Finally, insert the 25mm eyepiece (N) into the focuser (take
the dust cap off the focuser rst) and secure it by lightly
tightening the thumbscrew on the focuser (Figure 11).
The telescope is now completely assembled! Before it can be
effectively used, however, there are a couple of things to do to
prepare the telescope for operation.
Tripod leg
Bracket
Tripod leg brace
Leg lock knob
Figure 3. Thread a leg
lock thumbscrew onto
each tripod leg as shown,
being careful not to
overtighten.
3. Preparing the Telescope
for Operation
Aligning and Using the Red Dot Finder Scope
The included red dot nder scope (L) (Figure 12) makes
pointing your telescope almost as easy as pointing your nger! It’s a non-magnifying aiming device that superimposes
a tiny LED red dot on the sky, showing exactly where the
telescope is pointed. It permits easy object targeting prior to
observation in the higher-power main telescope.
Before you can use the red dot nder scope, you must remove
the small plastic tab sticking out from the battery compartment (Figure 12). Doing so will allow the pre-installed 3V
CR-2032 button cell battery to make contact with the nder
scope’s electronic circuitry to power the nder’s red LED illuminator. The tab can then be discarded.
To use the red dot nder scope properly, it must be aligned
with the main telescope. This is easiest to do during daylight
Figure 4.
hours, before observing at night. Follow this procedure:
1. First, remove the dust cover (M) from the front of the tele-
2. With the 25mm eyepiece already in the focuser from step
3. Center the target in the eyepiece.
Note: The image in the eyepiece will appear rotated or
upside down. This is normal for reector telescopes, and is
why they are not recommended for daytime terrestrial use.
4. Turn on the red dot nder scope by sliding the power
5. You’ll want to center the target object on the red dot. To do
6. When the red dot is centered on the distant object, check
Attach the tripod leg brace to the bracket on each tripod leg.
scope.
9 above, point the telescope at a well-dened land target
(e.g., the top of a telephone pole) that’s at least a quarter mile away. When pointing the telescope, be sure to
loosen the azimuth lock knob and micro-motion lock knob
(for coarse movement in altitude) to allow the telescope to
rotate freely about both axes.
switch to ON (refer to Figure 12). The “1” position provides
dim illumination while the “2” position provides brighter illumination. Typically the dimmer setting is used under dark
skies and the brighter setting is used under light-polluted
skies or in daylight. Position your eye at a comfortable distance from the rear of the unit. Look through the rear of the
nder scope with both eyes open to see the illuminated
red dot. The target object should appear in the eld of view
somewhere near the red dot.
so, without moving the telescope, use the nder scope’s
vertical and horizontal adjustment knobs (shown in Figure
12) to position the red dot on the object.
to make sure the object is still centered in the telescope’s
eyepiece. If it isn’t, re-center it then adjust the finder
scope’s alignment again. When the object is centered in
the telescope eyepiece and on the nder scope’s red dot,
4
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