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Nikon Nikkor 21mm (2.1CM) F/4 O Non AI Manual Focus Lens

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* Item pictured for illustrative purposes only, actual item not pictured.

Nikon Nikkor 21mm (2.1CM) F/4 O Non AI Manual Focus Lens Description


Nikkor-O 21mm (2.1cm) f/4 was designed by Mr. Zenji Wakimoto, a highly respectable Japanese lens designer known for the creation of Micro-Nikkor series lenses. The 21mm F/4 is a wide-angle lens with superb optical performance. Its optical design consist of eight elements in four groups with two inner three element groups encompasses the iris. Additional features include seven blade diaphragm, 0.9 meter close focus distance, 92° viewing angle and 52mm filter thread. The lens also requires the use of a mirror lockup and a separate optical viewfinder. 

KEH Specifications

  • Focal Length: 21mm
  • Aperture Maximum: f/4
  • Aperture Minimum: f/16
  • Camera Mount Type: Nikon F 
  • Format Compatibility: 35mm, FX
  • Minimum Focus Distance: 0.9m
  • Elements/Groups: 8/4
  • Diaphragm Blades: 7
  • Tripod Collar: No
  • Filter Thread: 52mm
  • Length: 2.54cm
  • Weight: 5.3 oz (135g) 


Physical Characteristics

Lens Mount Nikon F Non-Ai

General information

Brand Name Nikon

Customer Reviews