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Kamerastore Digital Database

Nikon 105mm f2.5 Nikkor-P Auto AI'd (Early) - Lens

Nikon 105mm f2.5 Nikkor-P Auto AI'd (Early) - Lens

Manual focus telephoto lens made for F-mount 35mm SLR cameras by Nikon. This model has been modified by Nikon or a previous owner to have the AI ridge necessary for communicating aperture information to most manual Nikon cameras. It has the bunny ear metering prongs and AI ridge but no AI-S indent so it will meter properly on all manual Nikon cameras but won't work with the advanced program modes of later models. This is the earlier version with a silver lens barrel and a slightly different optical formula. Metal body available in black/silver.

  • Nikon 105mm f2.5 Nikkor-P Auto (5 elements, 3 groups)
  • Minimum focus distance: 1m
  • Aperture blades: 7
  • Size: 77 x 65 mm
  • Weight: 430g
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Nikon F

Nikon introduced their first SLR, the Nikon F, in 1959. Alongside it they unveiled a series of lenses and a new lens mount that would carry them to professional success for the next decades. To this day, all Nikon DSLRs use the Nikon F mount.

In the beginning, Nikon lenses communicated aperture information to the body using a metal coupling fork, affectionately known as "bunny ears". Soon after, Nikon began using a similar system that automatically told the camera the maximum aperture of the lens. This Automatic Indexing (AI) system stuck around for decades in lenses and is still found on Nikon's high-end professional DSLRs even though new lenses communicate this information electronically.

With only minor compatibility issues (don't use a pre-AI lens on AI bodies or modern digital cameras), Nikon F lenses and bodies are pretty much interchangeable.

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Nikon 105mm f2.5 Nikkor-P Auto AI'd (Early) - Lens Availability & Price History
Date Sold SKU Quality Control Price Image
27 Nov 2024 T87413 € 149.00 Nikon 105mm f2.5 Nikkor-P Auto AI'd (Early) - Lens Image
27 Sep 2024 T80703 € 165.00 Nikon 105mm f2.5 Nikkor-P Auto AI'd (Early) - Lens Image
25 Sep 2023 T50960 € 69.00 Nikon 105mm f2.5 Nikkor-P Auto AI'd (Early) - Lens Image