"SMC TAKUMAR 50mm F1.4" M42 Mount (S/N: 5573184) This is a standard lens from the late Takumar series by Pentax, released in 1973. You can enjoy it with many mirrorless single-lens reflex cameras using a mount adapter! - Lens Construction: 6 groups, 7 elements - Minimum Focusing Distance: 0.45m - Minimum Aperture: F16 - Aperture Blades: 8 - Filter Diameter: 49mm - Weight: 252g (actual measurement) [Appearance] There are no noticeable scratches, scuffs, or dents. The printing is in very good condition. It has a clean and very beautiful appearance! [Optics] There are no scratches, mold, fogging, or balsam separation under normal light. When exposed to LED light, there is very slight fogging on the front and middle elements, but it is not at a level that affects the image quality. There is slight yellowing. Focuses well at infinity. [Operation] All operations are normal. The aperture ring has a good click feel, and the blades open and close in the correct shape. The focus ring rotates smoothly with the appropriate torque. [Mount] M42 mount *Please note that "Pentax K mount" is displayed because there is no other option!! [Included Accessories] Front cap Rear cap Kenko MC UV filter 49mm ★Although it is a beautiful lens, it is a USED old lens (released in the 1970s). There may be subjective differences in condition. Please refrain from purchasing if you are looking for perfection. ★We will accept returns if there is a clear initial defect that affects shooting. Thank you for your consideration! #Awajin #OldLens #TAKUMAR #Takumar #SMC #PENTAX #Pentax #M42 #SingleFocus #50mm #f1.4"