User manual SONY SAL-35F18

[. . . ] 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. [. . . ] If your camera has this function, this restriction is explained in your camera's instruction manual in the section on focusing). You cannot use the camera's AF/MF button to control AF/MF with this lens. (Some cameras do not have an AF/ MF button. If your camera has this button, this restriction is explained in your camera's instruction manual in the section on focusing). In MF (Manual Focus) mode, focus by rotating the focusing ring while looking through the viewfinder etc. You can switch between Auto Focus and Manual Focus by using the focus-mode switch on the lens. Rotating the focusing ring forcibly without switching to MF may damage the focusing ring. , especially when the lens is focused near infinity. This instruction manual explains how to use lenses. Precautions common to all lenses such as notes on use are found in the separate "Precautions before using". [. . . ] When using a built-in camera flash, always remove the lens hood and shoot at least 1m (3. With certain combinations of lens and flash, the lens may partially block the light of the flash, resulting in a shadow at the bottom of the picture. [. . . ]