Step-Down Adapter M34-M30.5Step 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

BP Series — Broad Bandwidth

87 mm Entrance Pupil Position -19

The lens can focus from distances down to 400mm (~15

0mm EXT-100

99 mm TV Distortion (%) -0

resulting in degraded performance

Part numbers are created by adding the lens thread size in mm to RA060

5MP Machine Vision Lens is a C-mount lens for 1" and smaller sensors

CF50HA-1 Technical Specifications:

Male Thread M58 Female Thread M67 Manufacturer Midwest Optical Systems

Product Line / Series HF-SA-1 Lens Type Fixed Focal Length IP Rating Not Specified Focal Length 35 mm ƒ/N ƒ/1

34° Front Principle Point -21