Magnets in Nikon 400mm f/2.8 TC VR S lens interfere with medical devices

Nikon Camera Lens Could Interfere with Pacemakers
Image Credit: Nikon

There are worse outcomes when using a Nikon camera lens than just getting a bad shot. The company is now warning you could have medical issues.

The new Nikon NIKKOR Z 400mm f/2.8 TC VR S is touted as a pinnacle of performance for sports, action and wildlife shooters. Nikon even praises the lens in combination with the Z9 as “the most formidable sports, action and wildlife kit in Nikon history.”

However, a small warning line on the main webpage for the Nikon NIKKOR Z 400mm f/2.8 TC VR S poses alarm for some photographers.

Nikon NIKKOR Z 400mm f/2.8 TC VR S Camera Lens
Image Credit: Official Nikon Webpage

The warning reads:

“Warning: Do not use this product if you have a pacemaker or other medical device. The magnet or magnets in this product could cause medical devices to malfunction.”

This warning to consumers is also found in the product’s official manual.

Silky Swift VCM

The lens features Silky Swift VCM as its AF drive motor. This system requires the warning about pacemakers and medical devices. It uses magnets instead of gears to move the lens focus groups. While this design delivers higher speed, accuracy and a smooth, silent operation, the presence of magnets can interfere with medical devices. This is something to be aware of if you have a pacemaker or other device – especially considering how close a camera lens is to a photographers chest.

It’s important to note that this Nikon camera lens isn’t the first product to carry this warning. Many popular consumer products include magnets that can interfere with pacemakers and medical device. Apple lists these products on their website. Users are advised to keep the devices at least six inches away from medical devices.

About the Nikon NIKKOR 400mm f/2.8 TC VR S

The Nikon NIKKOR Z 400mm f/2.8 TC VR S is the ultimate lens for capturing sports, action and wildlife. The speed and versatility of an f/2.8 aperture with 400mm of super-telephoto reach, plus a built-in 1.4x teleconverter to increase it to 560mm. It also boasts S-Line optics, silent autofocus and 5.5 stops of optical VR.

The lens is currently available for preorder at a starting price of $13,999.95.

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