===== Pentax Super-Multi-Coated Takumar 28mm f/3.5 ===== 
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==== Summary ====
The Super-Takumar and Super-Multi-Coated (S-M-C) Takumar 28mm f/3.5 are compact wide-angle M42 screw-mount lenses produced by Asahi Optical Co. from 1962 to 1975. Designed for 35mm film SLRs, they feature a 7-element optical formula (6 or 7 groups depending on version), a 5-blade automatic diaphragm, and a minimum focus distance of 0.4m—ideal for landscapes, street photography, and architecture. Early Super-Takumar versions (1962–1966) have a 58mm filter thread and stop down to f/22 or f/16, while later versions (1966–1975) use a 49mm thread and a revised optical design. The final S-M-C Takumar variant adds improved multi-coating for better flare resistance and color fidelity. All versions are manual focus, built in solid metal barrels, and weigh between 208–260g. They offer a 75° diagonal field of view on full-frame and are engraved with names like Super-Takumar 1:3.5/28 or Super-Multi-Coated TAKUMAR 1:3.5/28. Though not fast, the lens is praised for its sharpness, contrast, and vintage rendering—especially when stopped down to f/8. A popular choice for adapting to digital mirrorless systems. The Super-Takumar came in two models over time with different optics. The first model has a 58mm filter size with the optical design shown in the leftmost diagram whereas the second model has a 49mm filter size and the optical design shown in the rightmost diagram. Also, the first model features a slightly differently designed distance scale than the second model. The final release of this lens was a Super-Multi-Coated model with improved coating but otherwise with the same optics as the second Super-Takumar model.
==== Tech Specs ====
| Manufacturer    |Pentax|
| Series          |M42 Series|
| Model           |Super-Multi-Coated Takumar|
| Focal Length    |28mm|
| Max Aperture    |f/3.5|
| Min Aperture    |f/16|
| Format          |Full-Frame|
| Image Circle    |⌀|
| Minimum Focus   |40cm|
| Focus Rotation  |°|
| Iris Blades     |5|
| Optical Design  |7/7|
| Squeeze         |none|
| Front Diameter  |58mm|
| Filter Thread   |49mm|
| Focus/Zoom Rod  |none|
| Native Mount    |M42|
| Data Protocol   |none|
| Length          |41.5mm|
| Weight          |212g|
| Body Telescope  |-|
| Body Material   |-|
| Focus Drive     |-|
| Iris Drive      |-|
| Zoom Drive      |-|
==== History ====
Country of Origin: - \\
Release Date: 1971 \\
Launch Price: - \\
Design Revisions:\\

==== Service ====
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Service Manual: (Insert link to manual here) \\
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Full CLA: **#hrs.**\\
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==== Cine-Mod ====
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Focus Ring O.D.: -\\
Zoom Ring O.D.: -\\
Iris Ring O.D.: -\\
De-click Y/N: -\\
Additional Notes: \\
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==== Notes ====
==== Media ====