=====Nikon Nikkor K Ai 28mm f/4 PC ===== 
{{ :lens:nikkor-kai-28mm-f4-pc.jpg?direct&400|}}
==== Summary ====
==== Tech Specs ====
| Manufacturer    |Nikon|
| Series          |Nikkor|
| Model           |K Ai|
| Focal Length    |28mm|
| Max Aperture    |f/4 PC|
| Min Aperture    |-|
| Format          |-|
| Image Circle    |-|
| Minimum Focus   |0.3|
| Focus Rotation  |140|
| Iris Blades     |9|
| Optical Design  |10/8|
| Squeeze         |-|
| Front Diameter  |78|
| Filter Thread   |72|
| Focus/Zoom Rod  |-|
| Native Mount    |F|
| Data Protocol   |-|
| Length          |63|
| Weight          |410|
| Body Telescope  |-|
| Body Material   |-|
| Focus Drive     |-|
| Iris Drive      |-|
| Zoom Drive      |-|
==== History ====
Country of Origin: - \\
Release Date: - \\
Launch Price: - \\
Design Revisions:\\

==== Service ====
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Service Manual: (Insert link to manual here) \\
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Full CLA: **#hrs.**\\
<wrap note>Enter relevant notes here</wrap>\\
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==== Notes ====
==== Media ====