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Nikon Extension Ring Set K1-5 - Accessory

Nikon Extension Ring Set K1-5 - Accessory

Set of five extension rings made by Nikon. Metal body available in black/chrome.

  • Thickness: K1: 5.8mm (F-mount), K2: 5mm (F-mount), K3: 5.8mm (Threads), K4: 10mm (Threads), K5: 20mm (Threads)
  • Size: 60 x 60mm (Threads), 60 x 67mm (F-mount)
  • Total weight: 110g
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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 Extension Ring Set K1-5 - Accessory Availability & Price History
Date Sold SKU Quality Control Price Image
Available T52634 $33.00 Nikon Extension Ring Set K1-5
Available T68434 $39.00 Nikon Extension Ring Set K1-5
15 Apr 2024 T66703 € 35.00 Nikon Extension Ring Set K1-5 - Accessory Image
12 Apr 2024 T66952 € 35.00 Nikon Extension Ring Set K1-5 - Accessory Image
20 Mar 2024 T52635 € 35.00 Nikon Extension Ring Set K1-5 - Accessory Image
30 Jun 2023 T42996 € 35.00 Nikon Extension Ring Set K1-5 - Accessory Image
13 May 2023 T15185 € 29.63 Nikon Extension Ring Set K1-5 - Accessory Image
29 Mar 2023 E18485 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image
14 Feb 2023 T22045 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image
16 Jan 2023 T23984 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image
04 Nov 2022 T11134 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image
22 Sep 2022 T14239 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image
18 Jul 2022 T16647 € 29.00 Nikon Extension Ring Set K1-5 - Accessory Image
19 Jun 2022 T14297 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image
17 Jun 2022 T17671 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image
12 May 2022 A72437 € 39.00 Nikon Extension Ring Set K1-5 - Accessory Image