Is there a Fuji X to Nikon F adapter that supports AI-S aperture coupling without stop-down metering?
Asked 2/16/2018
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I want to use Nikon Nikkor AI-S lenses on a Fuji X-series camera. Basic Fuji X–to–Nikon F adapters seem to require stop-down metering. I’m looking for an adapter that works more like mounting an AI-S lens on a Nikon body, where the camera can know the selected aperture through the lens’ mechanical aperture coupling. Is there any Fuji X adapter with that kind of AI/AI-S aperture-ring coupling?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
8y ago
2 Answers
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The keyword you are looking for is probably "aperture-ring feeler". That's a device, part of F mount, that allows camera to know what is the current aperture of the lens through mechanical coupling of aperture ring and camera:
Unfortunately, I couldn't find any device that allows attaching Nikkor AI-s lens to Fuji X camera, and has an aperture-ring feeler.
Originally by user38691. Source · Licensed CC BY-SA 4.0
user38691
8y ago
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Generated from our catalog & community — verify before relying on it.
Probably not. What you’re looking for is an aperture-ring feeler: the mechanical coupling on compatible Nikon F-mount bodies that reads the position of an AI/AI-S lens’ aperture ring. That coupling is what lets the camera know the selected aperture without relying only on stop-down metering.
Based on the available answer, no Fuji X to Nikon F adapter with this AI/AI-S aperture-ring feeler could be found. In practice, most simple Fuji X adapters for Nikon manual-focus lenses are passive adapters, so they don’t provide that mechanical communication to the camera.
So if you adapt AI-S lenses to Fuji X, you should generally expect stop-down metering/manual operation rather than Nikon-style aperture coupling.
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AI8y ago
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