"=====Leica R Super-Angulon 21mm f/4 ===== 
==== Summary ====
==== Tech Specs ====
| Manufacturer    |Leica|
| Series          |R|
| Model           |Super-Angulon|
| Focal Length    |21mm|
| Max Aperture    |f/4|
| Min Aperture    |f/22|
| Format          ||
| Image Circle    ||
| Minimum Focus   |20cm / 7.87in.|
| Focus Rotation  ||
| Iris Blades     |4|
| Optical Design  |10/8|
| Squeeze         |none|
| Front Diameter  ||
| Filter Thread   |Series 8.5|
| Focus/Zoom Rod  ||
| Native Mount    |R|
| Data Protocol   ||
| Length          |43.5mm|
| Weight          |420g|
| Body Telescope  ||
| Body Material   ||
| Focus Drive     |Manual|
| Iris Drive      |Manual|
| Zoom Drive      |n/a|
==== History ====
Country of Origin:  \\
Release Date: 1978-1994 \\
Launch Price:  \\
Design Revisions:\\

==== Service ====
<nodisp 8>
Service Manual: (Insert link to manual here) \\
\\
Full CLA: **#hrs.**\\
<wrap note>Enter relevant notes here</wrap>\\
</nodisp>

==== Cine-Mod ====
<nodisp 8>
Focus Ring O.D.: \\
Zoom Ring O.D.: \\
Iris Ring O.D.: \\
De-click Y/N: \\
Additional Notes: \\
</nodisp>
==== Notes ====
==== Media ===="