Page
1
PREFACE
T
hank
you
very
much
for
your
purchase
of
a
Vixen
astronomical
telescope
This
manual
applies
to
the
ED80Sf
and
ED100Sf
telescopes.
You
may
occasionally
find
descriptions
in
the
text
not
relevant
to
your
particular
model.
Read
the
instructions
for
your
mount
along
with
this
manual
if
you
purchased
the
telescope
as
a
complete
package.
WARNING!
Never
look
directly
at
the
sun
with
the
telescope
or
its
finder
or
guide
scope.
Permanent
and
irreversible
eye
damage
may
result.
CAUTION
Do
not
leave
the
optical
tube
uncapped
in
the
daytime.
Sunlight
passing
through
the
telescope
or
finder
scope
may
cause
a
fire.
Do
not
use
the
product
while
moving
or
walking,
injuries
could
result
from
a
collision
with
objects
or
from
stumbling
or
falling.
Keep
small
caps,
plastic
bags,
or
plastic
packing
materials
away
from
children.
These
may
cause
a
danger
of
swallowing
or
suffocation.
Do
not
use
the
product
in
a
wet
environment
and
do
not
handle
with
wet
hands.
HANDLING AND STORAGE
Do
not
leave
the
product
inside
a
car
in
bright
sunshine
or
in
other
hot
places.
Keep
any
strong
heat
sources
away
from
the
product.
When
cleaning,
do
not
use
solvents
such
as
paint
thinner
or
similar
products.
Do
not
expose
the
product
to
rain,
water,
dirt
or
sand.
Avoid
touching
any
lens
or
mirror
surfaces
directly
with
your
hands.
In
case
a
lens
or
mirror
becomes
dirty
with
fingerprints
or
general
smears,
gently
wipe
it
using
a
commercially
available
lens
cleaner
and
a
lens
cleaning
paper
or
cloth,
or
consult
your
local
Vixen
dealer.
Blow
off
dust
on
lenses
using
a
commercially
available
blower
brush.
Do
not
use
compressed
air.
For
storage,
keep
the
product
in
a
dry
place
and
do
not
expose
to
direct
sunlight.
SETTING UP THE TELESCOPE-
Refer
to
your
mount
instructions
along
with
this
manual.
ATTACHING THE TELESCOPE TO THE MOUNT
(GP2
mount
and
A80Mf
optical
tube
shown
here)
Loosen
both
the
dovetail
‐
plate
lock
screw
and
safety
screw
until
the
tips
of
these
screws
no
longer
extended
into
the
inner
part
of
the
dovetail
block.
Slide
the
dovetail
mounted
scope
into
the
dovetail
mounting
block
as
shown
in
the
figure.
Tighten
the
dovetail
lock
screw
(centered
on
the
notch)
onto
the
dovetail
tube
plate
until
snug.
First
tighten
the
dovetail
lock
screw,
and
then
tighten
the
small
chrome
safety
screw
onto
the
dovetail
mounting
block
until
snug.