Step-Down Adapter M72-M58 Male Thread_M34 See part numbers listed below

See part numbers listed below

Male Thread M49 Female Thread M52 Manufacturer Midwest Optical Systems

Male Thread M46 Female Thread M52 Manufacturer Midwest Optical Systems

Step-up and step-down rings to fit M25

47 mm Rear Principle Point -6

Step-Down Adapter M72-M58 Male Thread_M34 See part numbers listed belowStep Down Rings by Midwest Optical Systems (MidOpt) Use smaller diameter filters on lenses with larger diameter filter threads The diameter of the filter or lighting to which step down rings are coupled will be much smaller than the diameter of the lens (often resulting in vignetting) Available sizes: SD27 25. 5 SD82 77 Commonly referred to as a thread adapter Larger diameter thread is male, smaller diameter thread is female. Adapter Properties Male