User manual SONY SAL135F18Z

[. . . ] When the air temperature inside the bag reaches the surrounding temperature, take the lens out. While the focus-hold button is pressed, auto focus function is suspended and the focus is fixed for shooting. The function of the focus-hold button can be changed on cameras with custom function capability. [. . . ] When you attach/detach the lens cap with the lens hood attached, use method (2). Align the orange index on the lens barrel with the orange index on the camera (mounting index), then insert the lens into the camera mount and rotate it clockwise until it locks. Do not press the lens release button on the camera when mounting the lens. While pressing and holding the lens release button on the camera, rotate the lens counterclockwise until it stops, then detach the lens. You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Fit the lens hood into the mount on the end of the lens barrel and rotate the lens hood clockwise until it clicks. When using a built-in camera flash, make sure to remove the lens hood to avoid blockage of the flash light. When storing, turn over the lens hood and place it onto the lens backwards. Even when the auto focus is set, the focusing ring may rotate if you move it unintentionally. Only rotate the focusing ring manually when the camera is set to the direct manual focus, otherwise a malfunction may result. [. . . ] Depending on the lens mechanism, the focal length may change with any change of the shooting distance. When you use 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. [. . . ]