Pentax's M42 telephoto — the Super Takumar 135mm f/3.5 with universal mount.
The Super Takumar 135mm f/3.5 is a classic vintage telephoto from the Pentax Takumar M42 range. At 135mm f/3.5, it provides standard telephoto reach at a modest aperture. Super-Takumar quality with SMC coating. M42 universal mount adapts to any camera. One of the most common Takumar telephoto lenses — produced in large quantities.
Good Takumar quality. Sharpness respectable. The f/3.5 is modest but adequate. The Super-Takumar SMC coating provides good contrast. Build quality excellent precision metal. The M42 universality enables adaptation to any mirrorless camera. The 135mm provides portrait compression. Very common — readily available on the used market worldwide.
M42 screw mount — universal. Filter thread 49mm. Weight approximately 340 grams — compact. Build quality excellent Takumar metal. Manual focus. Very common on the used market. The M42 mount adapts to every camera system. The f/2.5 version (ID 4964) is the faster alternative at 135mm in the Takumar range.
Extremely cheap — one of the most common vintage lenses. Good Takumar quality. The f/2.5 version is preferred for speed. M42 adapts to everything. Check smooth focus. A functional budget vintage telephoto for any mirrorless camera at near-zero cost. The f/3.5 is adequate for casual telephoto use.