Can any lenses be adapted to Nikon F with infinity focus using only a simple adapter?

Asked 10/13/2020

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I’ve heard Nikon F is one of the hardest SLR mounts to adapt lenses onto. Are there any lens mounts that can be used on Nikon F cameras—modern DSLRs or older film bodies—using only a simple adapter, with infinity focus preserved and no lens modification? I’m mainly asking about whether any 35mm SLR lenses will work this way, but I’m also curious about universal or medium-format mounts.

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

5y ago

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Is there any type of lenses that can be adapted to Nikon F mount(modern DSLR or old film) without any lens modifications, using just adapter and have fully functional lens with infinity focus.

There are no other DSLR mounts whose lenses will retain infinity focus without modification when adapted to Nikon F. There are some universal mounts that can be used (T-mount, adaptall, etc). Several medium format mounts are also long enough.

You can search your favorite auction site to see if anyone has made any adapters for the mounts you're interested in using.

Note: While Leica R is 0.5mm longer than Nikon F, that isn't enough space to fit an adapter.

See Wikipedia: Flange Focal Distance.

Originally by user75526. Source · Licensed CC BY-SA 4.0

user75526

5y ago

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For 35mm SLR lenses, generally no: Nikon F’s long flange distance means most other SLR lenses cannot be adapted with a simple mechanical adapter while keeping infinity focus. Leica R is only slightly longer, but not enough to leave practical room for a basic adapter.

What can work with a simple adapter are some universal mounts such as T-mount and Adaptall, plus certain medium-format lenses whose flange distances are longer than Nikon F. Those adapters can preserve infinity focus, but medium-format lenses tend to be larger, heavier, and often longer in focal length.

If you broaden “no modification” to include replacing the lens mount, some systems such as certain Leica R or Contax/Yashica lenses may be converted to Nikon F with aftermarket replacement mounts. But that is not the same as using a simple adapter ring.

So the short answer is: for ordinary 35mm SLR lenses, essentially no; for some universal and medium-format mounts, yes.

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