High-quality 105mm f/2.4 lens, Pentax K-mount compatible. - Brand: ASAHI OPT CO. - Model Name: Super-Multi-Coated Takumar 67 - Country of Manufacture: Japan - Lens Diameter: 67mm - Mount Type: Pentax K-mount - Focal Length: 105mm - Aperture: F2.4 Thank you for viewing. There is distortion on the edge of the lens. There is mold on the lens surface. It may affect shooting in situations such as backlight. The zoom knob is stiff to move. The focus knob works fine. We are selling at a low price due to the above reasons. Please feel free to ask any questions before purchasing.