Step-Down Adapter M46-M43Step 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

63 mm Distance Between Principle Points -11

66 mm Entrance Pupil Position Not Specified TV Distortion (%) 0

Male Thread M55 Female Thread M72 Manufacturer Midwest Optical Systems

HF50SA-1 Technical Specifications:

Male Thread M55 Female Thread M48 Manufacturer Midwest Optical Systems

DB Series — Dual Bandwidth

and it is designed specifically for machine vision applications

NF550 Magenta Dichroic (Green Block)

and in individual size ranging from 20

9 - f/22 HF50HA-1B

LP1000 Near-IR Longpass

Male Thread M62 Female Thread M67 Manufacturer Midwest Optical Systems