Question about Pentax *ist D Digital Camera

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Auto focus quit working

The auto-focus is not working...have I disengaged something....on vacation and do not have manual with me...everything else appears to be working

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  • gasman1065 Oct 04, 2008

    hi i have eos 40d and my sigma lens has stopped working on autofocus i just keep getting a clicking noise but it works on manual, anybody have any ideas please

    Thanks

    Alan

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Make sure you have not set a dial control to say manual focus or Macro focus. Run through the menu's on the screen to see if you have inadvertantly changed sometihg. As you are computing - give Pentax Technical Support Team a a go on their website

Posted on May 27, 2007

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Posted on Jan 02, 2017

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1 Answer

Hello, while vacationing in Hawaii I my camera would not auto focus. I was using my 18-135 lens. It will go in and out of focus rapidly but never stop to focus. Upon my return home I tried another lens...


I do not think your lens is out of order.
Sometimes this happens.
If your lens is not out of order then lets think the problem is another thing according to the user.
Autofocusing is great but under some conditions such as below you may consider.
Shooting in dimly lit environments can be difficult for some cameras and lenses when it comes to focusing.
You’ll know when your camera is struggling in Auto mode when every time you go to take a shot the lens will whirl from one end of it’s focusing options to the other and back again before deciding on where to focus.
This can really lengthen your shooting process and make taking quick candid shots quite frustrating.
Switch to manual mode and you can quickly find your focusing point and get the shot you’re after.

Feb 23, 2010 | Nikon D80 Digital Camera with 18-135mm...

1 Answer

Tamron 75-300mm lense quit focusing??


Check you have not switched camera t manual focus...if it's on auto then try changing various focal lengths to see if it kicks in....if it does intermittently you may have a cracked flex cable...this eventually happens with long throw lens because the cable gets weaken as it stretches and closes.It is also possible the ribbon became dislodged at the Circuit board just behind the mount.

Nov 20, 2017 | Tamron 75-300mm f/4.0-5.6 LD Lens for...

1 Answer

Auto Focus


Here are two things to do while on vacation.

Be sure lens is set to M/A
Set camera to "green auto button" on top of camera.

Hopefully, that will get you back to working.

May 12, 2009 | Nikon D80 Digital Camera with 18-135mm...

1 Answer

Manual Focus won't work


Which camera are you using? If the body has AF/MF switch, put that also to MF.If this fails to help, take out the lens and try to change it to MF.

Feb 05, 2009 | Nikon Zoom-Nikkor 55-200mm f/4-5.6G IF-ED...

1 Answer

Auto focus not working


Your Sigma 28-300mm doesn't have a HSM-motor as far as i know. When you switch it from MF to AF, you also have to disengage the manual focusing ring by pulling it towards the camera, or pushing it away from the camera. Using the AF without unlocking the manual focusing ring may damage the AF motor. 
I hope this helps, 
/Chris

Jan 15, 2009 | Sigma 28-300mm f/3.5-6.3 DG Macro for...

2 Answers

Auto focus quit working.....Help !!


google its user manual

changing lens from stock might be the issue
or 8 years auto focus sensor may be stuffed

Apr 11, 2017 | Konica Minolta Maxxum 3Xi 35mm SLR Camera

1 Answer

Can't get camera to go into Manual Focus


hey, i have one too, just take the camera out of auto adjustment and put it in say, program auto or some other setting on the thumb wheel...

Apr 24, 2008 | Sony Cyber-shot DSC-H2 Digital Camera

1 Answer

Canon Rebel xti - auto focus problem


AI should be focusing. You really can't change many settings when you are shooting in auto mode. Is the lens in AF mode?

I'm sure you have long since returned from vacation!

Hope this helps!

Dec 31, 2007 | Canon EOS 400D / Rebel XTi 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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