Sigma 15-30mm F3.5-4.5 EX DG ASPHERICAL - Basic Care and Storage; Specifications

DEPTH
OF FIELD
When
you
set
the focus
for
a
particular
subject,
there
is
an area
in fronl
of and behind
your
subject
that will
also be in focus.
This is called
the Deplh of
Field.
Generally,
the
larger the
aperture
(smaller
F-slop number),
the shallower
the depth
ol field.
As shown
in
(fig.6),
at
the
Fl'l
aperture
and
at a o.Sm
(1.6ft)
focusing distance,
the
subiect
will be
in focus
from
about
O..37m
(1.2ft)
to
1m
(3.3ft).
INFRARED
PHOTOGRAPHY
when
photographing
using
inlrared
film and infrared
lilters an adiusiment
lo locus
must be made.
First
locus in the normal
way.
Then set
focus
switch
to manual
locus
mode.
Turn the
tocus ring manuatly
sb
that the distance
scale marking
that
was
previously
aligned
wilh the
tocus/zoom
index mark is now
aligned
with the
inlrared
guide
mark
'R"
(fig.7).
FILTER
Filters cannot
be
mounted
on
the front of the
lens.
.
lf
you
wish to use
filters,
please
use
gelatin
type.
Please
cut the
gelatin
filter,
using the
guide
plate
accessory as a
pattem,
and insert the filter into
the
filter holder
at the rear
of the lens.
(fig,8)
BASIC
CARE
AND
STORAGE
OAvoid
any
shocks or
exposure
lo exlreme
high or low temperalures
or to
humidrty.
OFor
extended storage. choose
a ccol and dry
place. preterably
with
good
ventilation.
To avoid
damage to
ihe lens coating, keep away
from mothballs or
naphthalene
gas.
OOo
not use thinner,
benzine or other organic
cleaning agenls
to
temove dirt
or
linger
prinls
from the lens
elements. Clean
by using a sofl,
moistened lens cloth or
lens
tissue.
lThis
lens is not waterproof.
When
you
us€ the
lens in lhe rain or
near
water,
keep it
from
getting
wel. lt is
often
impractical
io repair lhe
intemal mechanism,
lens elements
and
electric
components
damaged by
waler.
OSudden
temperature changes
may
cause
condensation
or tog to appear
on lhe
sutace
ol
the lens.
Wtien
entering a warm
room from t€
cold ouldoors,
it is
advisable to
keep
lhe
lens in the
cas€
until the
temperalure ol the
lens approaches
room lemperalure.
SPECIFICATIONS
Lens construction
13-17
Angle of
View
r10.5'-71.6"
Minimum
Aperture
Minimum
Focusing
Distance
0.3m(11.8in)
Magnification
1:6
Filter Size
Dimensions
Dia.
xLength
87
x130mm(3.4x5.1in)
Weight
6159\2'l.7ozl
include the
Nikon mount
weight
,t,
(
F IS,*
Mark is a Ditective contomltv
mark
of
the European Communitv
--
.-.-
SfcMA(DeutschlandFmbH
Carl-Zeiss-St.
1Ol2,c-63322. Rodermark,
F.R.GERMANY
Verkauf :
0607+8651655
Service : 06074-8651666
Fax : 06074-8651677