User manual SIGMA 202

[. . . ] 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. possible focus shift resulting from extreme changes in temperature which cause various components in the lens to expand and contract. Zooming Rotate the Rubber grip on the zoom ring to the desired position. DESCRIPTION OF THE PARTS (fig. 1) 1. [. . . ] If you use SD9, SD10 or SD14 digital cameras, corresponding angle of view will be 17-34mm. FILTER 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. On the lens mount surface, there are a number of couplers and electrical contacts. To avoid damaging the lens, be especially sure to place the lens with its front end down while changing the lens. 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 SETTING THE EXPOSURE MODE The sigma lens functions automatically after mounting to your camera. Please, refer to the camera instruction book. FOCUSING AND ZOOMING This lens features Sigma's built-in Hyper Sonic Motor (HSM). SIGMA AF and CANON AF For autofocus operation, set the focus mode switch on the lens to the "AF" position (fig. 2). If you wish to focus manually, set the focus mode switch on the lens to the "M" position. NIKON AF, PENTAX AF and SONY For autofocus operation, set the camera to AF mode and set the focus mode switch on the lens to the "AF" position (fig. 2). If you wish to focus manually, set the focus mode switch on the lens to the "M" position. Please refer to camera's instruction manual for details on changing the camera's focusing mode. For Nikon, Pentax and Sony mounts, it is only possible to use AF with camera bodies which support motors driven by ultrasonic waves such as HSM. AF will not function if the camera body does not support this type of motor. With the camera set to the One-Shot AF (AF-S) mode, it is possible to manually override the autofocus while the shutter release button is pressed halfway. [. . . ] 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 Lens construction Angle of View Minimum Aperture Minimum Focusing Distance Magnification Filter Size Dimensions Dia. ×Length Weight 10 ­ 13 102. 4 ­ 63. 8° 22 0. 24m (0. 79 ft) 1:6. 6 82mm 87. 3×88. 2mm (3. 44× 3. 47in) 520g (18. 3oz) Dimensions and weight include the SIGMA mount. [. . . ]