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  1. Nikon Image Support
    https://www.nikonimgsupport.com › na › …

    Differences Between AI and AI-S Lenses

    Dec 21, 2016 · How to recognise AI lenses: In 1977 Nikon introduced a new system for coupling the lens to the camera's exposure system. This new coupling system was called Automatic maximum aperture indexing or AI for short. This …

  2. Images of AI Lens Mount

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  3. Digital Photography Review
    https://www.dpreview.com › articles › ...

    Understanding old Nikon lenses: AI, AI-S, AF and AF-S

  4. throughthefmount.com
    http://www.throughthefmount.com › artic…

    The difference between an AI lens and an AI-S lens

    The P mode of the FG works with every AI-S, AI or AI modified lens! More than that: in 1983 the semipro FA was introduced, the first Nikon with shutter priority mode (not counting the DS-attachments for the F2).

  6. Shop AI Lens Mount

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      M42-Ai 42mm Screw Mount Lens To Ai F Lens Mount T9z8
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      M42-Ai 42mm Screw Mount Lens To Ai F Lens Mount T9z8
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      M42-AI 42mm Screw Mount Lens To AI F Lens Mount K1H4
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      M42-AI 42mm Screw Mount Lens To AI F Lens Mount K1H4
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      M42-AI 42mm Screw Mount Lens To AI F Lens Mount O1P4
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      M42-AI 42mm Screw Mount Lens To AI F Lens Mount O1P4
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      Nikon F Ai Lens To Sony NEX E Mount Adapter With Tripod 1/4" Mount NEX-7 NEX-5 3
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      Nikon F Ai Lens To Sony NEX E Mount Adapter With Tripod 1/4" Mount NEX-7 NEX-5 3
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    5. Nikon F (Ai Ai-S) Lens Mount Adapter For Canon EOS EF-S Cameras 60D 5D Mark 3 7D
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      Nikon F (Ai Ai-S) Lens Mount Adapter For Canon EOS EF-S Cameras 60D 5D Mark 3 7D
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    6. AI To Nikon1 Camera Lens Adapter Mount AI AI-S J1 J2 J3 J4 J5 V1 V2 V3 S1 S2 AW
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      AI To Nikon1 Camera Lens Adapter Mount AI AI-S J1 J2 J3 J4 J5 V1 V2 V3 S1 S2 AW
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    7. G Mount F/AI/G Lens To E-Mount/NEX Camera Body Mount Adapter With Matting Varnish Design
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      G Mount F/AI/G Lens To E-Mount/NEX Camera Body Mount Adapter With Matting Varnish Design
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    8. Letus MNT-AI Nikon AI Mount
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      Letus MNT-AI Nikon AI Mount
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  8. KEH Camera
    https://www.keh.com › expert-advice › p…

    Nikon Lenses: Non-AI, AI, AI-S, and AI’d - KEH Camera

    Oct 18, 2011 · Non-AI Nikon lenses have a very basic bayonet mount. The most distinctive characteristics of the Non-AI lenses are the metering prong without “nostrils” (2 smaller holes on either side of the opening) and the plain stainless …

  9. KenRockwell.com
    https://kenrockwell.com › nikon › comp…

    Nikon Lens Compatibility by Ken Rockwell

    AI-P Lenses: Not shown on the chart, AI-P lenses are manual focus lenses with computer chips that enable full compatibility with all AF and digital cameras. You still need to focus by hand, using whatever electronic aids are in the camera, …

  10. Nikon Image Support
    https://www.nikonimgsupport.com › eu › BV_article

    NIKKOR F-Mount Lens Types - nikonimgsupport.com

  11. People also ask
    Which camera models use AI-S lens mounts?
    The only two camera models actually make full use of the Ai-S lens mount: the Nikon FA and F-501, both of which have been out of production for many years. The F-301 and F4 will detect that an Ai-S type lens has been mounted but both these cameras operate with Ai lenses in an identical way.

    Grays of Westminster Glossary: Ai lens/Ai-S lens, what's the difference

    graysofwestminster.co.uk
    What are AI lenses & how do they work?
    That's when Nikon began manufacturing AI lenses. AI stands for "Automatic Maximum Aperture Indexing" system, which is the mechanical system for coupling the lens to the camera's exposure system. AI lenses are manual focus, and can be used on any Nikon DSLR with a few exceptions.

    Which NIKKOR Lens Type is Right for Your DSLR? - Nikon USA

    nikonusa.com
    What is a Nikon AI lens?
    In 1977 Nikon introduced the AI lens which was short for Automatic Maximum Aperture Indexing. This was a new system for coupling the lens to the camera’s exposure system. These lenses were much faster and easier to mount and release because the “AI ridge” automatically meter-couples when the lens is mounted.

    Nikon Lenses: Non-AI, AI, AI-S, and AI’d - KEH Camera

    keh.com
    How can a camera identify an AI-S lens?
    A camera is able to identify an AI-S lens by a notch in the mount, see image on the right. The first camera to read this notch was the Nikon FA. If a non-AI-S lens is mounted and S or P mode is selected, the camera positions its aperture lever in a non-linear way, typical for pre-AI-S lenses (see AI lens in example above).

    The difference between an AI lens and an AI-S lens

    throughthefmount.com
    What is a non AI lens?
    Non-AI lens. Notice there are no recessed areas on this lens like on the others below, or any holes in the metering prongs. In 1959 Nikon began making lenses that at the time were called “Nikon F lenses”. It was not until 1977 when Nikon came out with AI lenses that the earlier models were called “ Non-AI ”.

    Nikon Lenses: Non-AI, AI, AI-S, and AI’d - KEH Camera

    keh.com
    How do AI-S lenses differ from AI lenses?
    Two features distinguish AI-S lenses from AI lenses. Most obviously, the number of the smallest aperture on the ring is printed in orange for AI-S lenses, vs blue or white for earlier lenses. More importantly, on the rear face of the lens mount, just clockwise from the lens locking notch, a small groove has been cut into the mounting surface.

    Old glass: Nikkor non-AI, AI, and AI-S lens differences

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  12. The Codex
    https://bluemooncameracodex.com › tec…

    Nikon Non-AI, AI, AI’D, AIS…. oh my. Part 1. — The Codex

    Jan 25, 2014 · Nikon AI-S lenses have a small semi-circular notch cut into the base of the lens mount which allowed certain metering modes on the Nikon N2000, N2020 and F4. Later cameras did not need this modification.

  13. nikonusa.com
    https://www.nikonusa.com › learn-and-explore › tips...

    Which NIKKOR Lens Type is Right for Your DSLR? - Nikon USA

  14. Grays of Westminster
    https://www.graysofwestminster.co.uk › glossary › ai...

    Grays of Westminster Glossary: Ai lens/Ai-S lens, what's the …