you very much f or purchasi ng a Si gma LensIn order t . o get the ma ximum
nce and enj oyment o ut of your Sigm a lens, pl ease read t his inst ruction
thoroug hly befo re you start to use the lens.
ON OF THE P A RTS (fig.1)
ese are special lenses that are designated for digi tal cameras because the lens im age
circle is desi
gnated to correspond to t he size of the image se nsors of most di gital SLR
cameras. The speciali
zed design gives these l enses the ideal properti es for digita l cameras.
An image sensor element l arger than those corresponding to AP S -C cannot be used in
digital cameras or 35mm SLR
cameras. If s uch an element is used vi gnetting will occur
on the picture surface.
If you use SD14 or SD 10 or SD9 d igital camera, correspo nding angle of vi ew will be
TT A CHI NG TO CA ME RA BODY
When this lens is attached to the camera body it will automatically function in the same way
as your normal lens.
Please refer to the instructi on booklet for your camera body .
On the lens mo unt surface, there are a number of couplers a nd electrical contact s.
Please keep t
hem clean to ensure pro per co nnection. T o avoi d damaging the lens, be
y sure to place the lens with its front end do wn while changing t he lens.
The sigma lens functi
ons automatically after mounting to yo ur camera. Please, refer to the
camera instruction book.
NG A ND Z OOMING
For autofocus operation, set t
he focus mode switch on the le ns to “AF” position.
If you wish to focus manually
, set the focus mode swi tch on the lens to the “MF” position.
ou ca n adjust the focus by t urning the focus ring.
In the case of Pentax fit, Auto Focus can only be used with HSM compatible camera
models. Other camera model
s can be use d in Manual Focus only.
T o avoid damag ing AF , pl mechanism ease do not turn the focus ring manually while in
the autofocus mode.
When operating this lens in manual fo cus mode, it is recommen d ed that correct focus be
y in the viewfinder rathe r than relyi ng on the distance scale. This i s
due to possi
ble focus shift resul ting from extreme c hanges in temperatw ure hich cause
nt s in the lens to e xpand and contact. S pecial allowance is mad e for
this at the infinity setting.
Rotate the Rubber grip on t
he zoom ring to the desi red position.
Z》 ooL m ock Switch
This lens is al
so equipped with Zoom Lock Swi tch to eliminate the zoom creep w hen the
lens is tilted down. Please set zoomi
ng ring to 18 mm and set the zoom l ock switch to the
LOCK ” positi. ( on fig.2)
NIFICA TI ON
e indication of the lens as “ 1:xx” o n a focusing distance scale represent the magni fication
(commonly called the reproduction ratio). For example w
hen you are in focus at the
1:3.8” position on the scale, a s8 ubject with an actual si ze of 3. cm will have an image si ze
of 1cm on the firm. (
T OS ( OPTI CAL ST ABILIZER) F EA TURES
This OS lens effectively compensates for i
mage blurring caused by camera shake. Using
the Optical St
abilizer function it i s possible to get sharp results at shu tter speed s
y 3-4 stops slower than you could without using the OS functi on.
OS switch to ONPress t (f ig. 4). he shutter button halfway down, confirm the image
in the viewfi
nder is stable then take the pic ture. (It takes approximatel y 1 second to produc e
a stable image from the time of depressi
ng the shutter button halfway).
Sony and Pentax fitti ngs are not equipped wi th the S Opti cal tabilizer (OS) functi on.
Do not use the Opti cal S tabilizer in t he following situations:
W hen the lens i s mounted on a tripod. ▪ When using the camera i n Bulb mode.
The Optical S tabilizer function i s powered from the camera. I f the OS l ens is attached to
your camera and activated, shooti
ng capacity of your camera will be lower than wi th
nventional lenses used witS h the same camera. If you are not usi ng O , please turn
OS the switch, in order to preve nt unnecessary battery co nsumption.
Be sure to tur n the OS switch to t he OFF position before attaching or de taching the lens
to the camera
The OS continues to operate after you release your finger from th e s hutter button, as
long as the expos
ure meter displays the expos ure value. Never remove t he lens or
remove the camera’s battery whil
e the image st abi lizer is operating as this could dama ge
Although the viewfi nder image may appea r to shake immediatel y after shooting and/or at
the start of the flash c
harge cycle of the ca mera’s built-in flash, it will not cause any effect
to the pictures.
lens is detached f rom camera or the camera pow er is turned off while the O S
ion is in operat ion, the lens may emit a chatter i ng noise, but th is i s not a malfunct ion.
bayonet type detachabl e hood is provided with the lens. This l ens h ood helps to prevent
flare and g
hosted images caused by bright ill umination from outside the pi cture area.
Attach the hood and turn clockwi
se until it stops rot ati on. (fig.5)
When taking pho
tographs usi ng the bui lt -in flash, it is advisabl e to remove the lens hood so
as to avoi
d cutting o ff any of the flash ou tput, which could cause a shadow i n the pictur e.
In order to pl ace the lens and hood into t he storage case, you m ust first remove the
hood, then replace i
t on the lens in the rev erse position. (fig. 6)
I LT E R
Only one filter should be used at the time. Two or m ore filters and/or speci al thicker
filters, like a polarizing fil
ter , may cause vignett i ng.
W hen us ing a pol arizing filter wi th AF camera, use the “ cir cular ” type.
AS I C C AR E AND S TO R AG E
Avoid any shocks or exposure to e xtreme high or l ow temperatures or to humidity .
For extended storag e, choose a cool and dry pl ace, preferably with good v entil ation. T o
avoid damage to t
he lens coating, keep a way from mothballs or naphthalene gas.
Do not use thinner , benzine or other organic cl eaning agents to remove dirt or finger
prints from the lens elements. Clean by using a soft, moiste
ned lens cloth or lens tissue.
This lens is not waterproof. W hen you use the le ns in the rain or near water, keep it
from getting wet. It is often impracti
cal to re pair the internal mechanism, lens elem ents
c component s d amaged by wat er .
Sudden temperature changes may cause condensation or fog to appear o n the su r face
of the lens.
W hen entering a warm room from the cold outdoors, it i s advisable to keep
he lens in the case until the temperature of the lens approaches room temperature.
Minimum Focusing Distance
d weight include the S IGMA mount.
The CE Mark is a Di
rective conformity mark of
(Deut schland) Gmb H Carl- Z- eiss S tr . 10/2, D - 63322 Rö dermark, F .R.GERMA N Y
erkauf : 01805 - 90 90 8501805 -0 Ser vi ce : - 90 90 8585 - 01805 Fax: - 90 90 8535 -
Filter Attachment T hread
Focus Index Line
Zoom Lock Switch
OS Switch (SIGMA, Conon, Niko n)
Lens Ho od