=====Leica R Macro-Elmar (helical) 100mm f/4 ===== 
{{ :lens:100mmf4macro-elmar-r.jpg?direct&400|}}
==== Summary ====
==== Tech Specs ====
| Manufacturer    |Leica|
| Series          |R|
| Model           |Macro-Elmar (helical)|
| Focal Length    |100mm|
| Max Aperture    |f/4|
| Min Aperture    |-|
| Format          |-|
| Image Circle    |-|
| Minimum Focus   |1.1m / 3.6 ft.|
| Focus Rotation  |-|
| Iris Blades     |8|
| Optical Design  |4/3|
| Squeeze         |none|
| Front Diameter  |-|
| Filter Thread   |E55|
| Focus/Zoom Rod  |-|
| Native Mount    |R|
| Data Protocol   |-|
| Length          |90mm|
| Weight          |540g|
| Body Telescope  |-|
| Body Material   |-|
| Focus Drive     |Manual|
| Iris Drive      |Manual|
| Zoom Drive      |n/a|
==== History ====
Country of Origin: - \\
Release Date: 1978-1995 \\
Launch Price: - \\
Design Revisions:\\

==== Service ====
<nodisp 8>
Service Manual: [[staff:servicedb:Leica-R|Disassembly/Re-assembly]] \\
\\
Full CLA: **5-6 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: Yes\\
Additional Notes: \\
</nodisp>
==== Notes ====
==== Media ====