Step-Up Adapter M67-M72Step 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

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FE185C086HA-1 Technical Specifications:

Male Thread M49 Female Thread M37 Manufacturer Midwest Optical Systems

13 mm Distance Between Principle Points 29

HF50SA-1 Technical Specifications:

8 - ƒ/16 Image Size Not Specified Image Circle Diameter Not Specified Imager Format 1

09 mm Chief Ray Angle 9

21 mm Rear Principle Point 1

Resolution: 1

BANDPASS FILTERS

Fujinon HF-HA-1B Series Product Family

Male Thread M62 Female Thread M67 Manufacturer Midwest Optical Systems