It is 21.5cm long

There appears to be some glue on the side of the lens as pictured

Please view all of the photos to see more details on the signs of age this lens may have

I have not tested on a camera however it looks to be in rather good condition for its age

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i have tried my best to describe and photgraph this item, however as i am no expert it would be best to purchase this item as spares of repairs