D850 Focus problem

Started 7 months ago | Discussions thread
ericbowles Senior Member • Posts: 1,010
Re: D850 Focus problem

topcat74 wrote:

Hi all, using my D850 yesterday with the Tamron 35mm F1.4.

All going well, until the next shot, the camera refused to focus. Tried to focus on something of high contrast just in case that was the issue but again refused, then it suddenly started working again. Am I experiencing the problem that the latest firmware addresses? Or could it be something more sinister

Thanks for your views.

There was a fail to focus issue solved with a firmware update.  It's been a while since that update was released.  Be sure all your firmware is current - it prevents this type of unexpected issue.

If that does not solve the problem, there are a range of questions to narrow the problem.  Can you replicate the problem with any other lens?  What are your AF settings?  Was there any hunting to find a target that was far different than the starting point?

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Eric Bowles

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