User manual SONY SAL24F20Z

[. . . ] Rotate the focusing ring to set the correct DMF when the focus is locked in AF-A (automatic auto focus) or AF-S (singleshot auto focus). DMF is not available in the following cases: When the image is out of focus When AF-C (continuous auto focus) is selected When focusing of the second photo is complete in continuous recording in AF-A Always confirm the image sharpness through the viewfinder, especially when the lens is focused near infinity. [. . . ] When using lens, the corners of the screen become darker than the center. To reduce this phenomena (called vignetting), close the aperture by 1 to 2 stops. * The equivalent 35mm-format focal length shown above is for Interchangeable Lens Digital Cameras equipped with an APS-C sized image sensor. *2 The angle of view 1 is for 35mm-format cameras, and the angle of view 2 is for Interchangeable Lens Digital Cameras equipped with an APS-C size image sensor. *3 Minimum focus is the shortest distance from the image sensor to the subject. This lens is equipped with a distance encoder. The distance encoder allows more accurate measurement (ADI) by using an ADI-compatible flash. Depending on the lens mechanism, the focal length may change with any change of the shooting distance. Names of parts Included items Lens (1), Front lens cap (1), Rear lens cap (1), Lens hood (1), Lens case (1), Set of printed documentation Design and specifications are subject to change without notice. Company names and company product names are trademarks or registered trademarks of those companies. Remove the rear and front lens caps and the camera body cap. You can attach/detach the front lens cap in two ways, (1) and (2). [. . . ] In MF, turn the focusing ring to adjust the focus while looking through the viewfinder (See illustration -). Press the AF/MF control button to switch AF to MF when both the camera and lens are set to AF. [. . . ]