High-quality Japanese-made lens with a 135mm focal length and f/3.5 aperture. - Model: Super-Takumar 135mm f/3.5 - Country of Manufacture: Japan - Lens Diameter: Approximately 52mm - Mount Type: M42 Screw - Lens Cap: Included - Focal Length: 135mm - Aperture: f/3.5 Thank you for viewing. [Appearance] Very clean. Please check the photos. [Optics] Some dust on both the front and rear elements. [Operation] All functions operate smoothly. [Mount] M42 Mount [Included Accessories] Front cap (genuine) Rear cap (generic) ★This is a beautiful lens, but it is a USED vintage lens (released in 1964). Please understand that this is a layman's inspection, and there may be oversights. We kindly request no claims and no returns.