=====Leica R Telyt Ver I 250mm f/4 ===== 
{{ :lens:250mmf4telyt-ri.jpg?direct&300|}}
==== Summary ====
==== Tech Specs ====
| Manufacturer    |Leica|
| Series          |R|
| Model           |Telyt Ver I|
| Focal Length    |250mm|
| Max Aperture    |f/4|
| Min Aperture    |f/22|
| Format          |-|
| Image Circle    |-|
| Minimum Focus   |4.5m / 14.76 ft.|
| Focus Rotation  |-|
| Iris Blades     |8|
| Optical Design  |6/5|
| Squeeze         |none|
| Front Diameter  |-|
| Filter Thread   |Series 8, E55|
| Focus/Zoom Rod  |-|
| Native Mount    |R|
| Data Protocol   |-|
| Length          |100mm|
| Weight          |1380g|
| Body Telescope  |-|
| Body Material   |-|
| Focus Drive     |Manual|
| Iris Drive      |Manual|
| Zoom Drive      |n/a|
==== History ====
Country of Origin: - \\
Release Date: 1970-1979 \\
Launch Price: - \\
Design Revisions:\\

==== Service ====
<nodisp 8>
Service Manual: [[staff:servicedb:Leica-R|Disassembly/Re-assembly]] \\
\\
Full CLA: **#hrs.**\\
<wrap note>Enter relevant notes here</wrap>\\
Coupling: **$50** (unless additional dis-assembly is needed)\\
<wrap note>see [[staff:servicedb:Leica-RCouplingGuide|Leica-R Non-destructive Iris Coupling Guide]] for non-destructive and reversible procedure.</wrap>\\
</nodisp>

==== Cine-Mod ====
<nodisp 8>
Focus Ring O.D.: -\\
Zoom Ring O.D.: -\\
Iris Ring O.D.: -\\
De-click Y/N: Yes\\
Iris Coupling: TBD **$50**\\
<wrap note>see [[staff:servicedb:Leica-RCouplingGuide|Leica-R Non-destructive Iris Coupling Guide]] for non-destructive and reversible procedure.</wrap> \\
Additional Notes: \\
</nodisp>
==== Notes ====
==== Media ====
https://lens-db.com/system/leica-r/full-list/