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Impact of a magnet on the A7RII

A7RII image stabilization

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#1 svilla

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Posted 15 March 2017 - 05:54 PM

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I have read that the A7rii uses magnets for its image stabilization feature.  I have the MagMount system that features a very strong rare-earth magnet to allow you to quickly mount and dismount your camera. It actually worked pretty good with my other camera but I have been a little worried using it on my A7rii. I only use this on my walking stick for additional stability when I am hiking around and not on my tripod. Here is a link to the page (TechTrek Mag Mount) if you need more info on the camera mount system. 

 

Will this mount damage or cause issues with my camera? I am just worried about the magnet somehow messing up the image stabilization.

 

Thanks



#2 Jaf-Photo

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Posted 15 March 2017 - 07:42 PM

Keep magnets away from cameras and lenses. They contain metal parts and rely on magnetism to work.

#3 Username

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Posted 18 March 2017 - 12:36 AM

When the camera mounts to the magnetic receiver, the matching 

piece in the camera's tripod hole acts as the magnet's keeper, so 

the magnetism is contained in a "closed loop". Nothing to worry 

about. Also, magnetism from an "open" magnet [no keeper on it] 

falls off absurdly fast at even a very small distance from the pole, 

so again, no worry. But you wouldn't want the open magnet in the 

socket of the quick-mount to be laying right against the camera 

body when in storage or transport .... a reasonably easy situation

to avoid ;-)  

  

And oh, yeah, stay away from the tinfoil hat crowd. 



#4 svilla

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Posted 20 March 2017 - 12:26 PM

Thank You



#5 tinplater

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Posted 20 March 2017 - 01:56 PM

I had same concern about magnets in a Think Tank 20 Mirrorless bag.I experimented with cards, cameras, lenses, cell phones, and was unable to identify any issues.I even left my phone and cards with images on them next to the magnets for over 24 hours with no ill effects.Additional research failed to identify any issues that I could find on the net.





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