How does stop down metering work on Nikon F3?

I recently purchased a Nikon F3 and had a 50mm 1.4 nokton non AI lens, it mounts but is it going to work properly? How does stop down metering work on the Nikon F3? Please be as detailed as possible, thanks!

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What are the best photography cameras? - 1

What are the best cameras for photography and why? Also, do you prefer Canon or Nikon? Please include the model of the camera you are referring to.

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Are the Nikon lens kits bought from Amazon ever gray, with limited warrantee?

Are the Nikon lens kits bought from Amazon ever gray, with limited warrantee?

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Best budget lenses for landscape photography? (Nikon)?

I shoot with Nikon D3300. I'm not rich.

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