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What is predictive focus control? - Konica Minolta DiMAGE Z3 Digital Camera

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Re: What is predictive focus control?

The camera predicts the focus position where the exposure is to be started based on the subject's moving distance from focus detection to exposure start. *It is useful when you capture the subject which comes from the front in the same speed.

Posted on Sep 13, 2005

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All the pictures are blurry the auto focus isn't working


You may have put the camera on manual focus. Two ways to do that.
1. There is a switch on the lens which allows you to select auto or manual focus. Be sure the switch is set on A or A/M. If it's on M, you are on manual focus.

2. In you menus, there might be a mode which is manual focus. Look in your manual index under Focus, manual. There might be a setting in the Focus Mode menu.

You can also try resetting your camera. This will put most things back to factory default mode, including the focus mode.

When playing around with controls, go step by step through the manual and try things out. Be sure to set the control you were playing with back to default unless you really understand that setting.

Apr 11, 2011 | Panasonic Lumix DMC-TZ3 Digital Camera

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The manual focus ring on my camera doesn't work. The ring turns but does not seem to adjust the focus. Automated focusing still works. How to fix it?


Two methods:-

1. Use the slider switch on the left of the camera to set it to MF (manual focus). The focus ring is an electronic one rather than a physical control like the zoom ring, so the response can seem slow.

2 Go into the camera menu and enable DMF (Direct Manual Focus). This allows you to override the autofocus simply by adjusting the focus control, but it does not work if the slider switch is set to the AF C setting (continuous autofocus), it only work in the AF-S (AF only activates once when the shutter is half pressed).

Jan 31, 2011 | Konica Minolta DiMAGE A2 Digital Camera

1 Answer

I have a Nikon D40x digital camera. The problem began when the screen began showing some type of diagram over the picture I had just taken. The camera then started having difficulty with auto focus. ...


Seems possible that the servo control /main processor control is faulty and will need help from Nikon service , It will be better to get a evaluation for the fault and so we can have a consenses on the fault.
get estimate and decide.

Sep 28, 2010 | Nikon D40x Digital Camera

1 Answer

Low light no focus


The Nikon D100 custom settings option 22 - AF Assist, controls the AF Assist light.
Check if this has been turned off.

This option controls whether the auto-focus assist light comes on in low light to help autofocus
latch onto the subject.

Jul 15, 2009 | Nikon D100 Digital Camera

1 Answer

5d focus confirmation light


Just a wild guess, but in predictive AI focus mode you need a subject in motion for focus to lock and focus adjustment is continous until the exposure is made, in one-shot AF or manual focus mode focus will lock on still subjects. Super nice camera btw.

May 17, 2008 | Canon EOS-5D Digital Camera

1 Answer

Tamron lens for Xti?


if it is an auto focus lens that works on one eos camera, it should work on almost all of them. the only known exception is that some high end extenders will not fit the eos1dmarkII as it protrudes into the opening too far.
but a good rule is that if it fits without any obstruction issues, it should work. try cleaning contacts on the lens and camera body. if that doesn't fix it, talk to Tamron. you can use it manually, but will not be as easy and you would get less predictable results.

my suggestion is to always go with lens from camera maker.

sounds like there is an issue with the tamron lens. not the camera.
good luck
mark

Dec 16, 2007 | Canon EOS 400D / Rebel XTi Digital Camera...

1 Answer

Is the focus area switchable?


The focus area can be set for Wide Focus Area, or Spot Focus Point. When using the Spot Focus Point, the DiMAGE 7i offers "Flex Focus Point (FFP) " for controlling the position of the Spot Focus Point. This is a powerful tool for off-center subjects.

Sep 15, 2005 | Konica Minolta DiMAGE 7i Digital Camera

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Manual Focus


1) Press and Hold the FOCUS button until to you "MF" appear in the lower left corner of the LCD Display on the back of the camera. Then you can release the Focus button. 2) Press and Hold the DISP/i button to see the Manual Focus Range. 3) While holding the DISP/i button, use the Tele/Wide Zoom Key to set the desired Manual Focus. You can see the focus change as you toggle the zoom key. 4) When you are ready, release the DISP/i button and Press the Shutter Button to take your picture. *Press the Focus Button to return to Auto Focus / Macro options

Sep 15, 2005 | Toshiba PDR-M71 Digital Camera

1 Answer

Manual focus


1) Press and Hold the FOCUS button until to you "MF" appear in the lower left corner of the LCD Display on the back of the camera. Then you can release the Focus button. 2) Press and Hold the DISP/i button to see the Manual Focus Range. 3) While holding the DISP/i button, use the Tele/Wide Zoom Key to set the desired Manual Focus. You can see the focus change as you toggle the zoom key. 4) When you are ready, release the DISP/i button and Press the Shutter Button to take your picture. *Press the Focus Button to return to Auto Focus / Macro options

Sep 15, 2005 | Toshiba PDR-M81 Digital Camera

1 Answer

Focus Problem


Low light focus lock can be a problem with this camera. But in normal or bright light there should be no problem with auto focus lock. If this is a new problem, you should check to see if a setting has been changed. With so many options, it is easy to accidently set something that causes unusual results (been there, done that). First ... Go to the Setup Menu and see that the "All Reset" option is selected. This will cause everything to be reset to factory default each time you power-on the camera. Turn the camera off and then turn the camera on. Then take some test photos to see if your auto-focus-lock is improved. If that works, there is no need to check the items below. If that does not work, here are some control changes to try. Remember if you turn off the camera everything gets reset. That camera uses contrast detection for auto focus and it is normally set to "Multi-Area Auto Focus". Try changing it to "Spot Auto Focus" and do some tests, including with the camera set to one of the programs or manual mode. There is another setting called "Autofocus Area", you should investigate. Check your manual to determine what you can do with this control. There is another control called something like "continuous auto focus". Check the manual for further information. If none of the above help, it is time to see about some camera repairs.

Sep 06, 2005 | Olympus Camedia C-740 Ultra Zoom Digital...

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