Step-Up Adapter M86-M105



Step-Up Rings by Midwest Optical Systems (MidOpt)

  • Use larger diameter filters on lenses with smaller diameter filter threads
  • Often mandatory for shorter focal length lenses in order to prevent vignetting
  • Available sizes: SU22.5-25.5 - SU77-105
  • Commonly referred to as a thread adapter

Step-Up Rings are most commonly used to adapt a larger diameter thread on items such as ring lights and filters to a smaller diameter thread (generally the thread on the lens).

Smaller diameter thread is male, larger diameter thread is female.

Adapter Properties

Male Thread M86
Female Thread M105
Manufacturer Midwest Optical Systems

Step-Up Ring Downloads



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