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852 Answers
Re: AF assist light
No, it doesn't have an AF assist light, but it hardly ever needs one - f1.8 is the widest aperture on any digicam (and also on the 3040 and 4040 of course) apart from the really expensive interchangeable lens SLRs. The maximum aperture is gradually reduced to f2.6 at the full tele end of the zoom, but even that's better than most, and since the focusing is always done wide open (whatever aperture will actually be used to expose the shot), the camera "sees" very well to focus in low light.
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You are possibly using an Fulltime AF mode for focussing.See user manual page 34 or the AF mode is set to AF Tracking. If these modi are set, the camera continuously tries to focus on the subject, hence the sound.
you can use a laser pointer or mini flashlight point at the subject to replace the AF assist lamp. When the AF locked, turn the light off then press the shutter.
Check to see whether you're set for AF-C in M, A, and P modes. The AF assist doesn't light in AF-C. Auto mode automatically selects AF-S, so the AF assist would come on then.
This is the AF Assist feature. If you don't have a hot-shoe flash mounted, but you do have the pop-up flash raised, the camera will strobe the pop-up flash in low-light situations to provide illumination for the auto-focus to work. You can disable it by turning off the AF ILLUMINATOR option in the "Wrench 1" settings menu.
The AF illuminator allows the auto focus system to focus on dark subjects. When the shutter button is pressed half way, the AF illuminator will light up the subject. The default setting is “ON”.
The AF illuminator allows the auto focus system to focus on dark subjects. When the shutter button is pressed half way, the AF illuminator will light up the subject. The default setting is “ON.”
Full-time AF keeps the image on the LCD monitor focused at all times without having to press the shutter release button. Note the following:
Using full-time AF will drain the battery more quickly
Full-time AF is not available when the LCD monitor is turned off
For "Card set-up" or "Card cover alarm", the AF operation of the camera does not halt. Once resumed, the camera always puts the AF in action for immediate focusing
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