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New Contributor
Posts: 4
Registered: ‎01-20-2018

Camera wont AF or take picture with weird noise

Not too long ago my camera has as a problem auto focusing like when you half hit the shutter. It doesnt make the normal focusing noise but rather a noise that sounds like the lens struggles to turn itself. I havent noticed a variable that will or will not cause this, i have noticed that when the battery starts to die theough out the day the trouble in focusing increases . Ive tried cleaning it then deep cleaning it.i have a 60d with a sigma dc 18-250 lens. Thank you
New Contributor
Posts: 4
Registered: ‎01-20-2018

Re: Camera wont AF or take picture with weird noise

Forgot to mention i also bought a new duplicate lens thinking it mightve been the lens itsef and it still persists. Btw i havnt personally dropped it
VIP
Posts: 8,363
Registered: ‎08-13-2015

Re: Camera wont AF or take picture with weird noise

You need to provide a little more info about your circumstances, enough for someone else to try to reproduce it.

Let’s start with saying which camera you are using.  Have you tried resetting the camera, which can be found in the camera menus?  If your battery fully charged?  If your camera in a BBF mode?

 

What is the shooting mode setting [round dial on top of the body] that you are using?  What are you trying to photograph, and do you have enough light?  What exposure is the camera reporting, and is the metering system working?

 

Don’t bother with trying to clean the lens/camera contacts.  Unless you can clearly see a foreign substance on the contacts, I would not bother with it.  Stains and discoloration do not count as a foreign substance.  Leave the cleaning to professionals.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
New Contributor
Posts: 4
Registered: ‎01-20-2018

Re: Camera wont AF or take picture with weird noise

As stated there ja nothing i know to reproduce it like when i said i have not noticed a variable to stop it or to make it, it just happened one day to the other. Yes ive restarted all settings, also restoring to factory settings. Im shooting in M for manuel not sure what bbf is, happens outside or inside at any given moment that is not the variable & yes the metering system should be working, the histogram is even.
Esteemed Contributor
Posts: 3,415
Registered: ‎02-17-2016

Re: Camera wont AF or take picture with weird noise

Do you have a canon lens to try?

 

If it happens with two lenses, I would contact Sigma.

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VIP
Posts: 8,363
Registered: ‎08-13-2015

Re: Camera wont AF or take picture with weird noise


@GumsLee wrote:
As stated there ja nothing i know to reproduce it like when i said i have not noticed a variable to stop it or to make it, it just happened one day to the other. Yes ive restarted all settings, also restoring to factory settings. Im shooting in M for manuel not sure what bbf is, happens outside or inside at any given moment that is not the variable & yes the metering system should be working, the histogram is even.

Use One Shot mode, not AI Servo.  Try to take a photo in Live View mode.

BBF means back button focus.  If you do not already know what it means, then it is probably not an issue.  It is something that people setup in the camera, and then they forget all about it.

 

Good advice to try a different lens.  Try switching your lens to MF, too.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
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