Excellent optical condition! "SMC TAKUMAR 50mm F1.4" M42 mount (S/N: 7390629) 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: 253g (actual measurement) [Appearance] There are no noticeable scratches, scuffs, or dents. There is minor paint wear on the filter ring and aperture ring due to normal use, but it has a clean and very beautiful appearance (please check the photos). [Optics] There are no scratches, mold, fogging, or balsam separation, and the optics are clear with minimal dust even under LED light. Focuses well at infinity. [Operation] All operations are normal. The aperture ring clicks well, and the blades open and close correctly. 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 items] Front cap (genuine) Rear cap (generic) ★Although it is a beautiful lens, it is a USED old lens (released in the 1970s). There may be differences in subjective opinions regarding the 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