[. . . ] When you attach/detach the lens cap with the lens hood attached, use method (2). Focusing ??The focus-mode switch of this lens does not function with some camera models. For further information on compatibility, visit the web site of Sony in your area, or consult your dealer of Sony or local authorized service facility of Sony. ? Align the white dot on the lens barrel with the white dot on the camera (mounting index), then insert the lens into the camera mount and rotate it clockwise until it locks. [. . . ] ? Align the white dot on the lens barrel with the white dot on the camera (mounting index), then insert the lens into the camera mount and rotate it clockwise until it locks. not press the lens release button on the Do camera when mounting the lens. Do To switch AF (auto focus)/MF (manual focus) The focus mode can be switched between AF and MF on the lens. For MF photography, either or both the camera or lens should be set to MF. To remove the lens (See illustration ???) While holding down the lens release button on the camera, rotate the lens counterclockwise until it stops, then detach the lens. To set the focus mode on the lens Slide the focus-mode switch to the appropriate mode, AF or MF (1). ??In MF, turn the focusing ring to adjust the focus (2) while looking through the viewfinder, etc. Using the Tripod When using a tripod, attach it to the tripod collar of the lens, not to the tripod receptacle of the camera. To use a camera equipped with an AF/MF control button ??By pressing the AF/MF control button during AF operation, you can temporarily switch to MF. ??Pressing the AF/MF control button during MF operation lets you temporarily switch to AF if the lens is set to AF and the camera to MF. For further information on compatibility, visit the web site of Sony in your area, or consult your dealer of Sony or local authorized service facility of Sony. ? Rotate the tripod collar-locking knob counterclockwise to loosen it ?. While pressing the tripod collar release lever ?, detach the tripod collar in the direction of the arrow ?. The focus is fixed and you can release the shutter on the fixed focus. Release the focus-hold button while pressing the shutter button halfway to start AF again. Switching Focus Range (AF/MF range) The focus-range limiter enables you to reduce the AF/MF time. ??MF????????? Notes on use ??Do not leave the lens exposed to the sun or a bright light source. Internal malfunction of the camera body and lens, smoke, or a fire may result due to the effect of light focusing. If circumstances necessitate leaving the lens in sunlight, be sure to attach the lens caps. ??When shooting against the sun, keep the sun completely out of the angle of view. [. . . ] If circumstances necessitate leaving the lens in sunlight, be sure to attach the lens caps. ??When shooting against the sun, keep the sun completely out of the angle of view. Otherwise, solar rays may be concentrated at a focal point inside the camera, causing smoke or a fire. Keeping the sun slightly out of the angle of view may also cause smoke or a fire. [. . . ]