User manual SONY SEL55F18Z

[. . . ] ???????????? Vignetting ??When using the lens, the corners of the screen become darker ???????To reduce this phenomena (called vignetting), close the aperture by 1 to 2 stops. [. . . ] Attaching the Lens Hood It is recommended that you use a lens hood to reduce flare and ensure maximum image quality. ????????????? Align the red line on the lens hood with the red dot on the lens (lens hood index), then insert the lens hood into the lens mount and rotate it clockwise until it clicks into place and the red dot on the lens hood is aligned with the red dot on the lens. ??When using a built-in camera flash or a flash supplied with the Dposez les capuchons d?objectif avant et arrire et le capuchon de l?appareil photo. After the camera focuses in auto focus, you can make a fine adjustment manually. For details on mode settings, refer to the instruction manual supplied with the camera. Specifications Product name (Model name) Equivalent 35mm-format focal length*1 (mm) Lens groups-elements Angle of view 1*2 Angle of view 2*2 Minimum focus*3 (m (feet)) Maximum magnification (X) Minimum aperture Filter diameter (mm) Dimensions (maximum diameter height) (approx. 2?????????????? 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?. This lens is produced under the strict standards and quality assurance system of Carl Zeiss. A camera equipped with a 35mm format image sensor can be set to shoot at APS-C size. For details on how to set your camera, refer to its instruction manual. For further information on compatibility, visit the Sony web site in your area, or consult your Sony dealer or local authorized Sony service facility. [. . . ] ????????????? Precautions on using a flash ??When using a flash, always remove the lens hood and shoot ??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. [. . . ]