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Nikon PK12 Auto Extension Ring 14mm AI

Nikon Cameras
KEH Model# 357745
Grade Notes Price Qty


Nikon PK12 Auto Extension Ring 14mm AI Description


Nikon Auto Extension Rings PK and PN fit between the camera body and lens either individually or in combination. The extension rings have no optics. The PK and PN rings are used in manual focus mode and are considered non-CPU lens attachments. The PK-12 provides 14mm of extension and is compatible with Nikon SLR lenses longer than 50mm, or with a reversed 50mm lens.

PK-12 14mm Extension Tube can be used singly or in combination to vary the reproduction ratio of lenses from 20 to 300mm. It is mounted between the camera body and the lens. Through the lens exposure control automatially compensates for lens extension. Manual and aperture-priority auto-exposure control modes are possible Manual focus only.

KEH Specifications

  • Mount: F-bayonet mount
  • Brand: Nikon
  • Model: PK12
  • Extension: 14mm
  • Diaphragm Coupling: Automatic
  • Meter Coupling: Ai
  • Compatible Lenses: Lense from 20-300mm


General information

Brand Name Nikon
Manufacturer Part Number 2652
Manufacture GTIN 4960759002525
Product information
Product Model

Nikon Cameras:

  • F5
  • F100

Physical Characteristics

Lens Mount Nikon F Mount Ai