Step-Down Adapter M62-M46Step 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

CU700-37 Close Up Lens

0mm EXT-15

The lens can focus from distances down to 100mm (~4")

Male Thread M58 Female Thread M52 Manufacturer Midwest Optical Systems

92 mm Distance Between Principle Points -28

5-27 Step-Up Ring

99 mm Entrance Pupil Position -40

This product has been discontinued and succeeded by HF12

32 Operating Temperature Range -10 to +50°C Dimensions 39 mm × 39 mm × 67

48 Flange Back (mm) 17

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

Larger diameter thread is male