Sigma News Regarding Nikon Interchangeable Lenses

Sigma announced that a free firmware upgrade is available for photographers using Nikon mount Sigma lenses on their Nikon D5300 cameras. The company has discovered that, when paired with the D5300 camera, its Nikon mount lenses containing internal motors do not properly operate the optical stabilization (OS) and Live View Auto Focus functionality. This issue is specific to lenses used with this particular camera.

The free firmware update will be available starting Nov. 20. For discontinued products, users should contact their nearest authorized Sigma distributor. For lenses that are compatible with the SIGMA USB DOCK, users may update their lenses via the Sigma Optimization Pro software. All new products will be dispatched from the factory will have the latest firmware.

This news will be added to Sigma’s Japanese website, but it will not be shared over the wire. We just want to alert you to this so you can share this news with your Nikon D3500 users, should they be experiencing problems with their Sigma lenses.

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