Pentax SMC TAKUMAR 55mm F1.8 MF Lens M42 Mount (S/N: 8061358) This is a standard lens from Pentax's renowned Takumar series, released in 1972. You can enjoy it with many mirrorless cameras using a mount adapter! - Lens Construction: 6 elements in 5 groups - Minimum Focusing Distance: 0.45m - Minimum Aperture: F16 - Aperture Blades: 6 - Filter Diameter: 49mm - Weight: 200g (actual measurement) [Appearance] It has a beautiful appearance with a sense of cleanliness. There are no noticeable scratches or scuffs. There is a slight dent on the filter ring, but a filter can be attached. The printing is in very good condition (check the photos). [Optics] Very clear with only a small amount of dust. When checked with an LED, there is a slight haze on the middle element (photo 7). The optics are clear with no scratches, fungus, or balsam separation. Focuses well at infinity. [Operation] All operations are normal. The aperture ring has a good click feel, and the blades open and close correctly. The focus ring rotates smoothly with appropriate torque. [Mount] M42 mount *Please note that "Pentax K mount" is displayed because there is no other option!! [Accessories] Front cap Rear cap ★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. Please consider it! #Awajin #OldLens #TAKUMAR #Takumar #SMC #PENTAX #Pentax #M42 #f1.8 #55mm #SingleFocus