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Lens Hood is new and never been used. It will fit any lens that has 55mm filter rim threads. It is a screw in type hood. It is 3 way hood, it can be collapsed for wide angle or extended for telephoto lenses. Dimensions are 95mm wide OD and 22mm deep in collapsed position (for wide angle). It is 33mm deep in normal mode for 50mm lenses . In extended more it is 51mm deep. 

Hood is new and never been  used.   I would rate it an 10, on a scale from 1 to 10.