Thank
you
for
purchasing
a Sigma lens. In
order
to
get
the maximum
performance
and
enjoyment
out of
your
Sigma lehs,
please
read this
instruction
booklet
thoroughly
before
you
start
to use the lens.
DESCRIPTION
OF
THE PARTS
(fig.l)
OFilter
Attachment
Thread
@Focus
Ring
@Distance
Scale
@Depth
of Fied Read Out
index(for the wide angle side
setting)
@Macro
Switch
@Focus/Zoom
Index
Line
OZoom
Ring
@Focus
Mode Switch(Sigma
SA and Canon
AF
onlv)
ODiaphragm
Control
Ring
@Mount
@Lens
Hood
ATTACHING
TO THE
CAMERA
BODY
When this lens is attached
to the
camera body it will
automatically
tunction
in the same
way
as
your
normal
lens.
Please reler to the
inslruclion
booklet for
your
camera body.
aon
the
lens mounl
surface, there are a number of couplers
and electaical
contacls. Please k€ep
them
clean to ensure
proper
connection.
To
avoid damaging th€
lens, be especially
sure
to
place
the lens
wilh
ils lront
end
down
while changing the lens.
OMany
accessories
such as
rear mounled
teleconverlers, e)dension
iubes,
etc., are specially
made
lor
designated lenses.
Betore
you purchase
such
accessories,
please
check
your
Sigma
lens to determine
thal
it is
compalible
and lhal lhe accessories will function
propedy
wilh it.
SETTING THE
EXPOSURE MODE
When a Sigma
lens
is
mounted on
your
camera,
il tunctions in lhe same manner as
your
normal lens.
However, depending on the camera
body, the exposure
setlings
may vary. Please refer lo lhe camera
instruclion
book.
The basic setting is as
follows:
(For
Sigma
SA,
minotta AF and
Canon
AF)
Exposure
modes
and Diaphragm values are sel by the
conlrols.
on the camera body, therefore the lens does
nol have a diaphragm control ring. Please refer
lo
your
camera's instruction booklet.
(For
Mkon
AF/MF, Minolla ilF)
When
you
use lhe Program
exposure
mods
or Shutler speed
priority
aulo
mod€,
th€ Diaphragm control ring
musi be
sel to lhe smallest F-stop
(i.e.
largesl number). All Nikon AF/MF and Minolia MF lenses
have
a
salety button which should be moved to the lock
position (fig2).
When
you
use the Aperture
priority
auto
mode or Manual
exposure mode, unlock the butlon and sel the Diaphragm value
by
tuming the ring.
(For
Pentax AF/MF)
When
you
use the Program exposure mode or
Shutter speed
priority
auto mode, tum the Diaphragm
ring
on
lhe lens
to the smallest F-stop
(i.e.
largest number),
lhen set lo
the
'A'
position
whil€
pressing
the auto lock
button. When
you
use the Aperiure
priority
auto mode
or Manual
exposure
mod€,
turn the Diaphragm ring
away
from
lhe
'A'setting
whib
pressing
th€ aulo lock
button, and s€t lhe Diaphragm value by
luming the
ring
(lig.3).
FOCUSING AND ZOOMING
(Auto
Focus)
When
you
use the AF lens with
the
AF
camera body, Auto Focusing
is
possible.
Selecl
the
autofocus mode
on
your
camera body
(set
the
focus mode
switch on the lens
lo'AF tor Sigma
SA
and
Canon
AF lens).
ln
the autofocus
mode,
your
camera
will
sel the
tocus
aulomatically.
While aulo focusing,
please
do not touch
the
focus
ring around
the
lens.
iTo
avoid
damaging AF mechanism,
please
do not
tum the focus dng manualty
while in the autofocus
mode.
(Manuat
Focus)
You
can set lhe focus
by
turning
the
locus ring.
When
you
focus manually
wilh AF lens, select the manual
focus mode
on
your
camera
body
(sel
the locus mode
swilch on the l€ns
to
'MF'
tor
Sigma SA and Canon
AF l€ns)..
Owhen
operating this lens in
manual focus mode,
it is recommended
that conecl tocus
be conlirmed
visually in the view{inder rather
than relying
on the dislance
scale. This is due
lo
possible
focus
shift
resulling
lrom extreme
changes in temperalure
which cause various
components in
lhe lens to expand
and
contact.
Special allowance is made tor
this at the infinity
setting.
(Zooming)
Fotate
the Rubber
grip
on
lhe
zoom
ring
lo lhe desired
position.
OPERETION OF MACRO SWITCH
1.Sel the zoom ring to
the
maximum
telephoto
sening.
2.Turn
the
Macro
Switch
lo lhe
'MACRO'
position
(fig.4).
Now
the
focus
ring will
lum from infinity lo macro
range. The Macro
Switch will not be
able to be changed
to the
'MACRO'
position
if the zoom ring is
set
on
other than the maximum
lelephoto setting.
awhile
the
Macro
Switch is
set on
the'MACRO'
position,
the zoom ring is locked
in the maximum telephoto
sening
and zooming is not
possible.
To
avoid damage
to
the
lens,
please
do not torce
the zoom
ring
to
lum.
3.To return
to lhe
normal
mode,
please
tum lhe
Macro
Switch to the
'NORMAL'
position
while the locus ring
is
out
of lhe macro range. lt the tocus ring
is in
lhe macro range,
the switch will not
move.
MAGNIFICATION
The indication
ofthe lens
as
"1:xx"
on afocusing
distance
scale represent
the magnification
(commonly
called
the reproduction
ratio).
For
example when
you
are
in focus
at the"l:3"position
on
the
scale, a subject with
an
actual size
of 3cm
will have an
image size
of 1cm
on the film.(fig.O)