Orion Optics Europa 200 f4 SCH User manual

EUROPA
INSTRUCTIO}IS
Instruclion
Manual
Europa
il4
Europa
150
Europa2OO
Ewopa25O
Europa2O0
f4 SCH
Orion
Optics

Parts
Diagram
I
J
1
Capiions
from
Fig.l
l. Focus
Mount
2. Finder
ScoPe
3. Finder
Bracket
4. TelescoPe
Tube
5.Tube
Cradle
6. Cradle
Latch
7.
Mirror
Cell
8. Polar
Finder
9. Tripod
ToP
10.Accessory
TraY
ll. Leg
Locking
Knob
12.
Tripod
leg
13.
Safety
Screw
forWeights
14.
Counter
weight
/ s
15.
Equatorial
Mount
16.
Mount
locking
Knob
(dec.)
17.Saddle
Plate
Knob
18.
Spider
Collimation
Screw
Fig.l
I
I
I
RA----Righi
Ascension
Dec-
--
Dec
!ination
WARNING!
Never
Observing
the
sun
in fataf damage
ot
ieIescope
.
telescope
to look
at fhe
sun-
a fraclion
of a second
will result
as
wefl as
possible
damage
to fhe
use
even
your
ANY
for
eve
-2-

Parts
Diagram
Pre
assembly
notes
Telescope
assembly
Legs
Accessory
tray
Equatorial
mount
Telescope
attachment
Positioning
of
thetelescope
Assembling
thefinderscope
Balancing
the
telescope
Alignmeni
ofthe
finderscope
Your
firsi observaiion
Usingyour
Polar
finder
How
touseihe
setting
circles
Collimation
Seeing
conditions
Trouble
shooting
Spec
ifications
Gem
Drives
Notes
2
4
5
5
5
6
7
8
8
8
9
t0
l0
l2
l3
t5
t5
t6
l7
l7
E--
-3-

PLEASE
READ
THIS
LEAFLET
THOROUGHLY,
PRIOR
TO
ASSEMBLY
OR
USAGE' PreAssembly
Notes
Your
tetescope
assembly
will be
easily
accomplished
providing
the
following
instructions
are
carried
our
in the
order
they
are
given-
lf they
are
carried
out
incorreclly
or
ihe
lelescope
is not
assembled
in the
order
prescribed,
considerable
damage
could
be
caused
io the
instrument'
All the
models
in the
Europa
range
are
assembled
in the
same
manner'
The
only
modification
is
the
slightly
different
Europa
2OO
14
Schmidt
Newionian.
This
model
has
astightly
different
meihod
of collimation
compared
to the
olher
telescoPes.
This
will be
dealt
wirh
in aseparale
section
within'Collimation"
All fhrough
the
insiructions
manua!
pictures
and
illustrations
of the
Europa
2OO
are
shown,
apart
from
obuious
differences
in size
of the 25omm
and
2OOmmf4sch,
the
altachment
method
of all the
parts
are
in the
same
mannef.
when
checking
all the
constituent
parts
of the
ielescope
prior
to assembly'
plr.*, ensure-no
damage
has
occrtrred
in transil.
No
claim
for damage
or
missing
items
can
be
a-ccepted
if made
more
than48 hours
afler
receipt
or
collection,
unless
agreed
by
Orion
Optics'
Themosiimportantandaccurateparisofthetelescopearethetwo
mirrors
within
the
tube.
These
ate
coaled
with
two
microscopically
thin
layers
of aluminium
which
are
over-coated
with
quartz'
lo give
the
alu-
miniumaddedprotection.TheseoPtica!surfacesarequiiedelicaieand
MUsTNoTBEToUcHEDWITHFINcERSoRANYUNSUITABLE
CLEANING
PRODUCT.
Unfortunately
we
cannot
eccepl
responsibility
for
any
optical
surface
which
has
been
cleaned
incorrectly'
WARNING!
Never
Observing
ihe
sun
in fatal
damage
of
telescoPe.
use
ANY
telescoPe
even
for a
fraciion
your
eye
as
well
as
to look
ai the
sun.
of a
second
will resu
lt
possible
damage
to the

Ietescope
essemUh
The
following
notes
applyto all models,
anysmall
differencein
assemblywill be
indicated
where
appropriate.
Knobs
l. Locatethe
threelegs
of thefripod
and
adjuslfhe
threeknobs(Fig.2)
at
the botiomof each
legandadjusl
to
your
required
height.
Youshould
now
beable
to movethe legstogether
and
apartquile
easilywithout
any
undue
force.
Toadjustthe
tensionof each
leg
tightenor
slackenfhe
Allen
screwsin (
Fig.3).
2. Youshould nowattachthe
accessoryiray
to the leg
supports.
Place
thetrayonthe
supports,
lining
upthe corresponding
holes
(Fig.al.
Then
place
lhe screws
upthroughthe
holesandtighten
using
theknobs.
The
longest
of thefourscrews
is to be
used
in fhe
cenlrehole.
Thetrayacts
asanaccessory
lrayas
wellas
sfrengthening
the
tripoditself.
Youshouldnow
haveacompletely
assembled
tripod
infrontof you.
Now
makesurefhe
tripodscrews
and
knobs
aretight
againbeforeyou
puf
themounl
onfopand
thenthetube.
You
maycause
some
damage
to the
telescopeif you
do
nolassemble
lhis
importanfitem
correclly.
Fig.4 Accessory
lray
localednid way
downonthe
tripod.
Allen scrcrr and
nul 13
Fig.3 Each
tes
tighiens
upto the
tripod
top by
an
Allen screr,vand
nut.
Fig.2 Tripodleg
base,each
hasone
adjusiing
knob.
Traylnobs
r6
-5

3. Younowneed
to place the
equatorial
mount
ontopof the
tripod.
Therewill bea large
handwheelon
lhe bottomof themount
(fig.5f,
unscrew
lhis, ihen
place
the
mounton
thetripodmaking
surelhe peg
onthe
tripodtop
goesbetweenthe
two
azimulh
knobs
(fig.lal. NowrePlace
thehand
wheelsoit goesthrough
the
tripod
topintothe
mount.Then
tighten
lhe azimuthscrews
against
the
peg.
Fig.5 Largehand
wheelto
lockmounl
into
place..
Fig.6 Lockingknob
onlheequaforial
mouni.
Fi
g.7 Twocounterweights
(2OOmodel)
arenovableon
counlerweightshaft
to
balancefhescope.
4. Before
eny
makesure
the
mounlis tight
adjustmenls
ete made
locking
knobon the
{Fig.6l.
5. Thecounter
weightshaftshould
nowbescrewed
intothemount
with
noweight
attached.This
is done by
turningthe
shaftin a clockwise
movement
whilst
pushing
it infothe
holeon
themount.
(fig.6f . The
safety
screwonihe axisshouldnow
beremovedso
you
canslidethe
weight/sup
theshaft.
Makesure
you
tighten
thecounterweight
knobs
(Fig
7f. Replace
thesafetyscrew
backon
theshafl.The
weightswill be
positioned
accurately
lafer.
Counforwoightlnob
6-

Fig.8
2r slow
motion
should
be
firte
d.
Cradle
lalchee
Fig.lO Cradles
are
located
onlop
of
lhemounl
bythe
iwo
knobs.
6. The
slow
motion
knobs
now
need
fo
be
firted
fo the
mount.
You
wiil find
the
twoknobs
have
to be
located
on
the worm
shafts lFig.6/gl. you do
this by
sliding
fhe
two
knobs
on
eilher
worm
shaft.
(Fig.8l shows
how
the R.A
knob
should
appear
once
fitfed.
7. Ihe telescope
iube
is now
ready
to
be
put
on
fhemount.
Firsi
take
the
lube
oul of the
cradles
by
unscrewing
the
two
cradle
latches
(Fig.9l. Take
the
cradle
wirh
rhe
atlached
saddleplate
and
unscrew
the
two
saddleplate
knobs.
(Fig.tOf
.
Now
attach
fhe
saddleplate
to the
mounl
by
fightening
the
screws
fhrough
the
top
of the
mount,
ensuring
these
are
tight. Place
the
tube
back
in the
cradles
sothat
the
fube
is positioned
abouf2/3rds
upin
the
cradles.
The
mirror
cell has
to be
pointing
towards
theground
(fig.tl.
The
correclprocedute
for balancing
lhe telescope
will be
dealt
with lafer.
plale
lnobs

Fig.ll RA
andDec
locking
knobs.
tlg.12 Finderscope
located
in
ils brackel
on
the
tube.
The
RA
and
Dec
locking
clamP
are
used
for locking
the
respective
axes.
Unlocked,
theY
enable
fast
positioning
of
the
telescope-
After
posilioning,
re-lock
the
clamps-
To
enable
you
to use
the
slow
motion
controls
these
clamps
should
al$rays
be
light, if slack
the
slow
motion
controls
will not
work.
IMPORTANT!
Always
remember
to leave
ihe
clamps
tight when
fhe
telescope
is not
in use.
8. The
telescoPe
tube
should
now
be
fully
secure
in lhe
cradles
on
the
mount.
Now
locafe
the
finderscoPe
and
bracket
and
assemble
them
together.
Make
sure
ihe
finderscope
is equally
sPaced
in ihe bracket.
Above
the
focus
mount
on
lhe
ielescope
youwill find fwo
wing
nuis
with
washers
(fig.l2l. Unscrew
fhem
and
place
the
brackei
wirh
the
finderscope
on
the
screws
and
iighten
backuP.
Before
lhe telesco
pe can beused
safely
and
efficiently
it has
to be
'balanced'.
This
is quite
easily
carried
out
by
adjusfing
the
position
of the
counterweight(s)
.nd th" position
of the
telescope
tube
longitudinally
in
fhe
cradles.
firsfly ensure
the
complete
telescope
is
positioned
on
afirm
observing
base,
a lawn
is not
a
good
site
for observing
because
fhe
tripod
legs
teni fo sink
into
the
grr*.. Concrefe,
flag
stones,
tiles,
are
all good
*uifrr". onto
which
you
should
place
your
telescope.
Carefully
slacken
off
both
theDeclination
clamp
and
Right
Ascension
clamp,
atthe
same
time
holding
onto
the
tube
to avoid
it swinging
around-
Gradually
release
the
tube
and
allow
it io position
itself
in it's
preferred
position.
finderscope
8-

whilst keeping
both
clamps
slackened,
hold
the
telescope
tube
and
point
it
in anolher
direcrion.
lf it sfays
there
without
slipping
to anorher
position,
your
tefescope
is alteady
balanced.
probably
you
will have
to adju*t
ir to
balance
properly
until it will 'stay
put'.
To
dothis look
at (ftg.i;) showing
fheposition
into
which
you
shouldput
your
telescope
to enable
if to be
balanced
properly.
(lf you
remove/reposition
your
counferweighf(s)
or
take
the
tube
oul of it's cradles,
this
operation
needs
to be
carried
out
againf
When
the
balance
poinr
is achieved,
posif
ion
the
tube
in ii,s 'parked,
position
(fig.t) and
lock
both
axis
with
the
axis
clamps.
Attachfhe
slow
molion
knobs,
if you
haven'l
already
done
so,
io the
worm
shafls
and
try
out
the
lelescope
movement.
lt should
be
very
smooth
and
even.
Fig.l3 Batancing
lhe
telescope.
Alignment
of thefinderscope
In order
for fhe
finderscope
to be
useful,
it musf
first be
aligned
with
the
main
lelescope,
so
that
both
fhe
finderscope
and
lhe
lelescope
arepointing
at precisely
the
sameplace.
To
align
the
finderscope
follow
ihis proc"dur"i
The
telescope
is pointed
in daylight
at a distant
objectpreferably
several
hundred
melres
away.
use
a low power
eyepiece,
a25mm
is fine,
and
focus
fhe
telescope
on
a distant
part
of the
object.
This
process
is best
carried
oul
afler
the
lelescope
has
beenproperly
balanced
andyou
are
also
famil-
iar
with
the
basics
of fhe
equatorial
mount.
Next,
with
the
finder
bracket
adjusfment
screws'x6',
align
the
finderscope
to give
the
same
view
as
the
object
in your
lelescope.
The
more
accurale
you
do
this
the
easier
it will be
to find
asfronomical
objects
which
are
much
smaller.
lf rhe
finder
is not
in
focus,
slacken
off the
front locking
ring and
crew
lhe objecfive
cell
in and
out.
when
a clear
image
is
visible,
lock
ihe ring
bytighiening
against
the
objective
cell.
Your
finder
should
not
need
lo be aiignra
rg.in lur a
slighf
movement
of the
adjusting
screws
may
give
better
aslronomlcal
alignmerit.
)-
Tube
/ Coonterweighi

Your
Firsf
Obserualion
Place
your
telescope
in the
viewing
position
you
have
chosen
(outdoors)'Try
and
roughly
poini
your
polar
finder
to Norlh.
setting
of the
polar
finder
,orr.rlur.i"ty witl be
covered
tater.
Take
off the
dusf
caps.
Inserf
a low
powereyepiece
l2innl into
the
focus
mount.
Find
the
moon
or something
"l*. t.rgr'in the
sky,
with
the
finderscope.
You
should
now
be
able
to see
an
image
tirough
the
eyepiece,
this now
needs
to be
focused
to your
eye.
(lf
youihrng, it" "y"pi"re youwill have
to focus
the
image
again).
To
focus.
it " ir.g, so
it loo'ks
shaip
you
have
to turn
the
hand
wheels
on
either
side
of the
focus
mouni.
lf youleave
the
telescope
alone
you
will see
the
moon
travelling
across
the
fi;ld of view.
Once
it has
almost
disappeared
from
view,
slow
mofion
knobs
need
to be
turned
to get
the
image
back
in the
fiefd
of view.
lf youwant
the image
to look
closer
rellace
the
25mm
wiih a
lower
number
(higherpower)
eyepiece
9mm.
You
wi!l find
the
lower
the
number
of eyepiece
the
faster
the
image
moves
across
the
view.
Pracfice
using
your
finderscope
and
focusing
on
different
subjects'
to,.lcutaie ihe
magnification
use
the
following
formula:-
Magnification
=Telescope
Focal
Length
(mm)
Eyepiece
Focal
Lengfh
(mm)
Using
Your
Polar
Finder
torrriou,
the
polarfinder
from
the
mount
youwill
first
have
toslacken
off the
small
Allen
screw
in the
locking
ring,
you
will find
fhis
on
the
side
of the
ring.
once
slackened,
unscrew
the
locking
ring.
The
ring,
polarfinder
and
the
satting
circle
will all come
off the
mounl
iogether
(fig.ll' The
first operation
in using
the
polar
finder
is
to focus
the
eyepiece
on
the
reticle
which
is
on
the
display
viewed
through
the
finder-
Indoors,
point
the
finder
towards
a light
coloured
wall
and
view
through
the
eyepiece.
lf lhe
reticle
is not
in sh-arp
focus,
screw
in
/ oul
the
eyepiece
holder
until you
produce
a
sharp
image.
This
position
wil! nol
need
to be
adjusted
again.
ilexf, point
the
findtr towards
a slar
or any
oiher
obieci
at infinity' lf
this is not
clear
and
sharply
seen,
slacken
off the
locking
ring
on
the
finder
and
screw
the lens
holder
in or
oul
to produce
asharp
image.
when
achieved,
iighten
ihe locking
ring.
check
ihat bolh
the
reficle
and
lhe'star'
are
both
in focus.
To
pufthapolar
finder
into
the
mounf.
Now
replace
your
polarfinder
in your
mount.
Put
the
setting
circle
onfirst, whilst
holding
this
crew
the
locking
ring
back
into
position.
The
polar
finder
needs
now
lo
be
pointed
at the
poie
star.
To
position
your
telescope.exactly
on
the
pole
you
will need
to adjusr
both
ihe latitude
adjust
screw
(fig.l5l'
t0-
I
I
I
I