=====ZEISS Standard Speed Planar 40mm T2.1 MkI ===== 
{{ :lens:standard-speed-40mm-mki_1_.png?direct&300|}}
==== Summary ====
**Standard mount lenses:** ARRI Standard mount, smaller lens housing, no geared iris or focus rings, focus "wings" or tabs\\
**Standard Speed MkI:** ARRI Standard or PL mount, larger lens housing, geared focus ring, no geared iris ring\\
**Standard Speed MkII:** ARRI Standard or PL mount, larger lens housing, geared focus and iris rings\\
==== Tech Specs ====
| Manufacturer    |ZEISS|
| Series          |Standard Speed MkI|
| Model           |Planar|
| Focal Length    |40mm|
| Max Aperture    |T2.1|
| Min Aperture    |T22|
| Format          |Super 35|
| Image Circle    |-|
| Minimum Focus   |16 in.|
| Focus Rotation  |-|
| Iris Blades     |-|
| Optical Design  |-|
| Squeeze         |none|
| Front Diameter  |80mm|
| Filter Thread   |none|
| Focus/Zoom Rod  |n/a|
| Native Mount    |PL|
| Data Protocol   |none|
| Length          |2.5 in.|
| Weight          |454 g|
| Body Telescope  |none|
| Body Material   |Aluminum|
| Focus Drive     |Manual|
| Iris Drive      |Manual|
| Zoom Drive      |n/a|
==== History ====
Country of Origin: Germany \\
Release Date: - \\
Launch Price: - \\
Design Revisions:\\

==== Service ====
<nodisp 8>
Service Manual: [[staff:servicedb:ZeissT2.1MkI/MkII|Disassembly/Re-assembly]]\\
Screws: [[staff:servicedb:zeissparts]]\\
PL Mount Cone Sizes: [[staff:servicedb:ZEISS PL Cone]]\\
\\
Full CLA: **5-6 hrs.**\\
<wrap note>Spray and bake threads (teflon coating): **+1 hr**</wrap>\\
<del>re-anodize</del> Strip and re-paint front ring: **1 hr + 5-6 hrs** to access front ring.\\
<wrap note>to access front ring for anodizing, lens must be fully dis-assembled. a full CLA is required. Front ring is not separate form the chassis. Cannot anodize without affecting the focus and iris threads. Offer to repaint instead. </wrap>\\							
Replace front or rear element (not mounted) only: **1 hr. ea.**\\					
Strip and re-paint rear housing: **+1 hr** if getting other service work or **2 hrs** if no other service is included.\\							
close focus mod: **1 hr**\\
<wrap note>Offered for: 16mm, 24mm, 32mm T2.1 only to achieve 3 full focus rotations.\\
cannot offer this for other focal lengths because the focus threads will be exposed and cannot achieve enough rotations.\\
Not normally offered unless specifically requested: 40mm can achieve additional 1/2 rotation only before exposing focus threads. requires installation of additional stop pin in focus ring for hard stop.</wrap>\\
Non-OEM focus scales: see P/N **38211222**, possibly available, check with Paul before quoting. \\
<wrap note>non-OEM, reverse engineered but copied original design to best match lens. </wrap>\\		
\\
**Accessories**\\
Iris gear (delrin): Use 3.156 O.D. x 0.20" thick\\
<wrap note>Cut to: (stepped) \\
ID #1: 2.800"\\
ID #2: 2.900" x 0.085" deep</wrap>\\
</nodisp>

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