=====Canon K-35 MkIII 55mm T1.3 ===== 
{{ :lens:55mmt1.3.jpg?400|}}
==== Summary ====
Developed as part of a research program jointly carried out by Canon Inc. and Cinema Products Corporation, in cooperation with the Research Center of the Association of Motion Picture and Television Producers, the Canon high speed aspheric lenses were especially designed to meet the critical tolerances required for professional 35mm cinematography.
==== Tech Specs ====
| Manufacturer    |Canon|
| Series          |K-35|
| Model           |MkIII|
| Focal Length    |55mm|
| Max Aperture    |T1.3|
| Min Aperture    |T16|
| Format          |Full Frame|
| Image Circle    |43mm|
| Minimum Focus   |18 in.|
| Focus Rotation  |300|
| Iris Blades     |15|
| Optical Design  |-|
| Squeeze         |none|
| Front Diameter  |95mm|
| Filter Thread   |-|
| Focus/Zoom Rod  |none|
| Native Mount    |BNCR, PL|
| Data Protocol   |none|
| Length          |2.8 in.|
| Weight          |1134g|
| Body Telescope  |none|
| Body Material   |Aluminum|
| Focus Drive     |Manual|
| Iris Drive      |Manual|
| Zoom Drive      |n/a|
==== History ====
Country of Origin:  \\
Release Date: 1981 \\
Launch Price:  \\
Design Revisions:\\

==== Service ====
<nodisp 8>
Service Manual: [[staff:servicedb:canonk35|Disassembly/Re-assembly]] \\
\\
Full CLA: **7-8 hrs.**\\
<wrap note>spray threads: **+ 1 hr.**</wrap>\\			
excessive cleaning: **9 hrs.**\\
repaint FE (Keslow only): **+ 1 hr.**\\		
install PL mount: **+ 4 hrs.**\\
<wrap note>24mm: **2 hrs.**</wrap>\\
install new keys: **TBD**\\

**Accessories:**\\						
BNCR - PL conversion: **see notes** \\
<wrap note>TLS PL mounts BNCR mounts in black aluminum will require modification along with the PL mount. BNCR in stainless steel (series 3) do not need modification. check compatibility with TLS before ordering.</wrap>	\\			
Install iris gear (aluminum): **See QB to confirm pricing.**\\
</nodisp>

==== Notes ====
==== Media ====