=====Nikon Nikkor K 400mm f/5.6 ED ===== 
{{ :lens:nikkor-k-400mm-f5.6-ed.jpg?direct&400|}}
==== Summary ====
==== Tech Specs ====
| Manufacturer    |Nikon|
| Series          |Nikkor|
| Model           |K|
| Focal Length    |400mm|
| Max Aperture    |f/5.6 ED|
| Min Aperture    |-|
| Format          |-|
| Image Circle    |-|
| Minimum Focus   |5|
| Focus Rotation  |260|
| Iris Blades     |7|
| Optical Design  |5/3|
| Squeeze         |-|
| Front Diameter  |83|
| Filter Thread   |72|
| Focus/Zoom Rod  |-|
| Native Mount    |F|
| Data Protocol   |-|
| Length          |254.5|
| Weight          |1400|
| Body Telescope  |-|
| Body Material   |-|
| Focus Drive     |-|
| Iris Drive      |-|
| Zoom Drive      |-|
==== History ====
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Release Date: - \\
Launch Price: - \\
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==== Service ====
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Service Manual: (Insert link to manual here) \\
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Full CLA: **#hrs.**\\
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==== Notes ====
==== Media ====