Step-Down Adapter M82-M72 Filter Thread_M25.5-0.5 72 mm Entrance Pupil Position

72 mm Entrance Pupil Position -26

15° Front Principle Point -17

Male Thread M62 Female Thread M82 Manufacturer Midwest Optical Systems

88 mm Rear Principle Point -30

Male Thread M52 Female Thread M48 Manufacturer Midwest Optical Systems

Step-Down Adapter M82-M72 Filter Thread_M25.5-0.5 72 mm Entrance Pupil PositionStep 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