===== Cooke SK4 16mm format 12mm T2 ===== 
{{ :lens:sk4_12mm.jpg?300|}}
==== Summary ====
==== Tech Specs ====
| Manufacturer    |Cooke|
| Series          |Prime|
| Model           |SK4|
| Focal Length    |12mm|
| Max Aperture    |T2|
| Min Aperture    |-|
| Format          |16f|
| Image Circle    |-|
| Minimum Focus   |8in|
| Focus Rotation  |-|
| Iris Blades     |-|
| Optical Design  |-|
| Squeeze         |-|
| Front Diameter  |110mm|
| Filter Thread   |-|
| Focus/Zoom Rod  |-|
| Native Mount    |PL|
| Data Protocol   |-|
| Length          |-|
| Weight          |3.4lbs|
| Body Telescope  |-|
| Body Material   |aluminum|
| Focus Drive     |manual|
| Iris Drive      |manual|
| 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>\\
</nodisp>
==== Notes ====
==== Media ====