User manual SIGMA 50-150MM F2.8 EX DC APO OS HSM

[. . . ] SETTING THE EXPOSURE MODE AF The Sigma lens functions automatically once attached to the camera. If you wish to focus manually, set the focus mode switch on the lens to the “M” position. 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. [. . . ] If you are not using Optical Stabilizer, please turn OFF the OS switch, in order to prevent consumption of a battery. Be sure to turn of OS switch to OFF position, before attaching or detaching the lens to the camera. The Optical Stabilizer continues to operate after you release your finger from the shutter button, as long as the exposure meter displays the exposure value. Never remove the lens or remove the camera’s battery while the image stabilizer is operating, you could damage the lens. Although the viewfinder image may appear to shake immediately after shooting and at the start of the flash charge cycle of the built-in flash of the camera etc. If the camera power is turned off or lens is detached while the Optical Stabilizer function is in operation, the lens may emit a chattering noise, but this is not a malfunction. For Sony and Pentax mounts, it is only possible to use the OS function, incorporated in this lens, with camera bodies which support motors driven by ultrasonic waves such as HSM. When using the OS function, please turn off the optical stabilizer function of the camera body and set the OS switch of the lens to ON. When using the camera’s optical stabilizer function, please set the OS switch of the lens to OFF and turn the camera’s optical stabilizer function on. The OS unit of the lens will not fix into its position if the camera body is turned off before switching off the lens’ OS mechanism. Optical Stabilizer feature can work with the Nikon AF cameras shown in the following table. When using this lens with other camera models not listed in the following table, please set the OS Switch to OFF position to cancel the Optical Stabilizer function. Digital SLR Cameras and F6 From our homepage, you can check the latest information regarding the camera models, which can be used with Optical Stabilizer function. To remove the tripod collar from the lens, first loosen and then disengage the locking knob. FLASH PHOTOGRAPHY The camera’s built-in flash will cause barrel shadow if used with this lens. DG AF 5000001 ABOUT TELE CONVERTERS The lens can be used with Sigma’s 1. Do not use other manufacturers’ teleconverter’s, only those listed above are compatible. 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. [. . . ] 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. DC (image circle) DC ( 1) OS DC , Dimensions and weight include the SIGMA mount. This special glass normally has some tiny air bubbles but it does not affect the optical performance. [. . . ]