SIGMA 500mm f/4 DG OS HSM Sports Lens for EF - Manual (Page 15)

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FOCUS PRESET (MEMORY RECALL) FUNCTION
With this function, it is possible to recall the focus position
that has been previously set. This enables photographers
to return to a fixed focus position instantly.
③
SIGMA FOCUS RECALL
CANON PRESET
NIKON MEMORY RECALL
PRESET FOCUS POSITION
Set the focus point at the desired position and press the
Focus Preset (Memory Set) button.
 It is possible to set the focus point irrespective of the AF
Function Setting switch position.
 When the Beep switch ② is ON, the lens will emit a
single beep.
RECALL FOCUS POSITION
It is possible to return to the fixed focus position by
pressing the AF Function Button.
 When the Beep switch ② is ON, the lens will emit a
double beep.
ABOUT OS (OPTICAL STABILIZER) FEATURES
This OS (Optical Stabilizer) lens effectively compensates
for image blurring caused by camera shake.
Set the OS (Optical Stabilizer) switch to Mode 1 . P.3-(5)
Press the shutter button halfway down, confirm the image
in the viewfinder is stable then take the picture. (It takes
approximately 1 second to produce a stable image, after
pressing the shutter button halfway).
Mode 2 , detects the vertical camera shake, and overcomes
blurring. It is effective on subjects moving horizontal to the
camera.
 The blurring compensation function of Optical Stabilizer
is effective for hand-held shooting. In the following
conditions, Optical Stabilizer may not function properly.
▪ Shots from the a moving vehicle.
▪ If there is a considerable camera motion or shake.
 Please do not use Optical Stabilizer in the following
situations.
▪ When the lens is mounted on a tripod.
▪ Bulb (long time exposure).
 Optical Stabilizer function is powered from the camera.
If the OS lens is attached to your camera and activated,
shooting capacity of your camera will be lower than with
conventional lenses used with the same camera. If you
are not using Optical Stabilizer, please turn OFF the OS
switch, in order to prevent consumption of a battery.
 Be sure to turn of OS switch to OFF position, before
attaching or detaching the lens to the camera.
 The Optical Stabilizer continues to operate after you
release your finger from the shutter button, as long as
the exposure meter displays the exposure value. Never
remove the lens or remove the camera’s battery while the
image stabilizer is operating, you could damage the lens.