Instruction manual
Contents
1. 1 SIGMA 70mm128DGWe a TI iM nn i i aT JL WAH iil ee m ina TET l ILL SIGMA AF CANON AF NIKON AF PENTAX AF SONY Lit ENGLISH Thank you very much for purchasing a Sigma Lens In order to get the maximum performance and enjoyment out of your Sigma lens please read this instruction booklet thoroughly before you start to use the lens DESCRIPTION OF THE PARTS fig 1 Filter Attachment Thread Focus Index Line Focus Ring Focus Mode Switch Distance Scale Sigma SA and Canon AF only Depth of Field Read Out Index Mount Focus Limiter Lens Hood NIKON AF TYPE CAMERAS This Lens functions same as a G Type type without Aperture auto focus Nikon lens Depending on the combination with camera some restrictions with its functions may result For more details please refer to instruction manual of the camera in use etc PENTAX AF TYPE CAMERAS This Lens functions same as a FAJ Type type without Aperture auto focus Pentax lens Depending on the combination with camera some restrictions with its functions may result For more details please refer to instruction manual of2. lens tissue This lens is not waterproof When you use the lens in the rain or near water keep 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 TECHNICAL SPECIFICATIONS Magnification ooo S A O Magnification 1 1 Filter Size Dimensions Dia xLength 76x95mm 2 99x3 74 in 525g 18 5 oz Dimensions and weight include the SIGMA mount The CE Mark is a Directive conformity mark of the European Community EC SIGMA Deutschland GmbH Carl Zeiss Str 10 2 D 63322 R dermark F R GERMANY Verkauf 01805 90 90 85 0 Service 01805 90 90 85 85 Fax 01805 90 90 85 35 tab 6 1 14 0 260m 1 5EV
3. the camera in use etc ATTACHING TO CAMERA 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 instruction booklet for your camera body On the lens mount surface there are a number of couplers and electrical contacts Please keep them clean to ensure proper connection To avoid damaging the lens be especially sure to place the lens with its front end down while changing the lens SETTING THE EXPOSURE MODE The sigma lens functions automatically after mounting to your camera Please refer to the camera instruction book FOCUSING Auto Focus When you use the AF lens with the AF camera body Auto Focusing is possible Select the autofocus mode on your camera body set the focus mode switch on the lens to AF for Sigma SA and Canon AF lens In the autofocus mode your camera will set the focus automatically While auto focusing please do not touch the focus ring around the lens To avoid damaging AF mechanism please do not turn the focus ring manually while in the autofocus mode Manual Focus You can set the focus by turning the focus ring When you focus manually with AF lens select the manual focus mode on your camera body set the focus mode switch on the lens to M for Sigma SA and Canon AF lens The viewfinder of some Nikon AF cameras have indicators to display the focus status The e symbol indicates that cor
4. ion of the lens barrel and SLR type camera body automatically compensates it When you use an external light meter or a non TTL type flash unit you need to make exposure compensation at close distance tab 6 LENS HOOD A bayonet type detachable hood is provided with the lens This lens hood helps to prevent flare and ghosted images caused by bright illumination from outside the picture area Attach the hood and turn clockwise until it stops rotation fig 4 When taking photographs using the built in flash it is advisable to remove the lens hood so as to avoid cutting off any of the flash output which could cause a shadow in the picture DEPTH OF FIELD SCALE The depth of field scale helps you to check the depth of field the zone of sharpness of your composition fig 5 FILTER Only one filter should be used at the time Two or more filters and or special thicker filters like a polarizing filter may cause vignetting When using a polarizing filter with AF camera use the circular type 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
5. rect focus has been set indicates that focus is set in front of the subject and lt q indicates that focus is set behind the subject When this AF lens is used with Nikon AF cameras in MF mode please adjust the lens focus until the e symbol is visible When operating this lens in manual focus mode it is recommended that correct focus be confirmed visually in the viewfinder rather than relying on the distance scale This is due to possible focus shift resulting from extreme changes in temperature which cause various components in the lens to expand and contact Special allowance is made for this at the infinity setting FOCUS LIMITER SWITCH This lens has a Focus Limiter switch fig 2 When the Limiter is set at FULL position the focus ring can turn between the minimum focusing distance and the infinity position When the Limiter is set at LIMIT position the focus ring can turn either at close range between minimum distance and 0 48m or at normal range between 0 55m and infinity MAGNIFICATION The indication of the lens as 1 xx on a focusing distance scale represent the magnification commonly called the reproduction ratio For example when you are in focus at the 1 1 5 position on the scale a subject with an actual size of 1 5cm will have an image size of 1cm on the firm fig 3 EXPOSURE COMPENSATION The F number of the macro lens changes when focusing due to the extens
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