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Pentax Super-Multi-Coated Takumar 50mm f/1.4 Ver 1

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Summary

The Super-Takumar, Super-Multi-Coated (S-M-C), and SMC Takumar 50mm f/1.4 are a celebrated series of fast M42 screw-mount prime lenses produced by Asahi Optical Co. from 1964 to 1975. All later versions share a refined 7-element/6-group optical design, a bright f/1.4 aperture ideal for low-light and portrait photography, and a minimum focus distance of 0.45m. They feature a 49mm filter thread, weigh around 230–252g, and measure approximately 61.5 × 38.5mm. The 8-blade diaphragm (6 blades on early Super-Takumar) produces smooth, creamy bokeh, while the Super-Multi-Coated and SMC versions add improved flare resistance and open-aperture metering support on compatible Spotmatic bodies. These lenses are prized for their sharpness, contrast, and vintage rendering, and remain a favorite for adapting to digital mirrorless systems. Some 7-element versions contain thorium glass, which may yellow over time but can be cleared with UV exposure. They can be adapted to modern DSLRs and mirrorless bodies.

Tech Specs

Manufacturer Pentax
Series M42 Series
Model Super-Multi-Coated Takumar Ver 1
Focal Length 50mm
Max Aperture f/1.4
Min Aperture f/16
Format Full-Frame
Image Circle
Minimum Focus 45cm
Focus Rotation °
Iris Blades 8
Optical Design 7/6
Squeeze none
Front Diameter -
Filter Thread 49mm
Focus/Zoom Rod none
Native Mount M42
Data Protocol none
Length -
Weight 250g
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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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: -
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Notes

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