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Nikon Extension Tube Set B1,B2,C,D (F) NPK

Nikon Cameras
KEH Model# 363628

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Nikon Extension Tube Set B1,B2,C,D (F) NPK Description


Nikon Extension Tube Set provides an easy way to compose, focus and meter at the brightest, fullest aperture position without having to manually stop down the lens before shooting. In addition, the extension tube set allows for automatic exposure control. Individually the extension rings extend the lens either 5.0mm (B1 ring), 5.8mm (B2 ring), 10mm (C ring) and 20mm (D ring) from the camera body.

KEH Specifications

  • Function: Extends the lens-to-film distance
    • B: 5.0mm extension, female thread, male F-bayonet
    • B2: 5.8mm extension, female F-Bayonet, male thread
    • C: 10mm extension, female thread, male thread
    • D: 20mm extension, female thread, male thread
  • Compatibility: Nikon F Series
  • Note: Use of step-down rings can cause vignetting


General information

Brand Name Nikon

Physical Characteristics

Lens Mount Nikon F Coupling Unspecified