FLASH PHOTOGRAPHY
The camera's
built-in flash will
cause
barrel
shadow if used with this
lens.
For
best
results, please only
use
an
external flash
unit.
DEPTH
OF FIELD SCALE
The depth of
field scale helps
you to check the depth of
field
(the zone of sharpness)
of your composition. For example
in
figure (6), the depth of
field zone
is
shown when
the aperture F16
is
used.
(fig.?-
G)
) For the wide
angle
side (70mm)
setting
(fig. 7
-
~
)
For the
telephoto
side (200mm)
setting
ABOUT TELE
CONVERTERS
The
lens
can
be
used with
Sigma's
1.4x EX
DG
or 2.0x
EX
DG
Apo
Tele
Converters
(optional),
becoming a
98-280mmF4 Autofocus
telephoto
zoom
lens
or a
140-400mm
F5.6 Autofocus
telephoto
zoom
lens respectively.
+Do
not
use
other manufacturers' teleconverter's,
only
those
listed
above
are
compatible.
+We
recommend the
DG
APO Tele-Converters
when using with
DSLR
cameras.
+The
Pentax mount
Tele Converter
is
not compatible
with this
particular lens.
+In
case of
Sony AF mount, it
is
possible
to use AF when attaching
tele
converters
with a serial
number above
5000001
. AF
will
not work if the
tele
converter's
serial
number
is
lower
than
5000001.
+It
is
possible
to
use
auto
focus
in
Live
View
if
the
camera
is
in
"contrast detect"
AF
mode.
LENS HOOD
A bayonet type
detachable 'hood
is
provided with the
lens. This lens
hood
helps
to
prevent
flare
and ghosted images caused by extraneous light.
Attach the hood and
turn
clockwise until
it stops rotating. (fig.8)
+The
APS-C
Hood Adapter
is
supplied
with this
lens.
When using this dedicated
hood adapter with digital cameras with an
APS-C
size image sensor, it provides
more effective shading.
Please
attach the
APS-C
Hood Adapter between the lens
body and the
lens hood. (fig.9)
+When
using this
lens
with
digital
cameras with a full frame or APS-H
size image
sensor
as
well as
film
cameras,
please do not attach the APS-C
Hood Adapter.
If
you use the
APS-C
Hood Adapter with above cameras, vignetting
will
occur.
+In
order to
place
the lens
and hood into the storage case, you must first remove
the hood, then replace it
on
the
lens
in
the reverse position (fig.1
0).
(It
is
possible
to
attach the
lens hood
in
the reverse position and the front
lens
cap to the tip of the
APS-C Hood Adapter, even if the
APS-C
Hood Adapter
is
attached to the tip of
lens.)
FILTER
+Only
one
filter should
be
used at a time. Two or more filters
and/or
special, thicker
filters,
such as a polarizing filter,
may cause vignetting.
+When
using a
polarizing filter
with
an
AF camera, use the
"circular"
type.
+When
using
filters with the APS-C Hood Adapter,
please
attach the
filter
to the
filter
attachment thread of the lens. If
the
filter
is
attached to the tip of the APS-C
Hood
Adapter, vignetting may occur.
BASIC
CARE AND
STORAGE
+Avoid
any shocks or exposure to extreme high or
low
temperatures or to humidity.
+For
extended storage, choose a
cool and dry
place, preferably
with good
ventilation.
To
avoid damage to the
lens
coating, keep away from
mothballs
or naphthalene
gas.
+Do
not use thinner, benzine or other organic
cleaning
agents to remove dirt or finger
prints
from
the
lens
elements.
Clean
by
using
a
soft,
moistened
lens
cloth
or
lens
tissue.
+This
lens is not waterproof. When using the
lens
in
the rain or near water, prevent
it from getting wet.
It
is often
impractical
to repair the internal
mechanism, lens
elements and
electric
components damaged by water.
+Sudden
temperature changes
may
cause
condensation or
fog
to
appear
on
the
surface
of
the
lens.
When
entering a warm
room
from
the
cold
outdoors,
it
is
advisable
to
keep
the
lens
in
the case
until
the temperature of the
lens
approaches room temperature.
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