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87 mm Entrance Pupil Position Not Specified TV Distortion (%) 0
5 Minimum Object Distance 100 mm Front Diameter 29 mm Focus Control Manual Iris Control Manual Flange Back in Air 17
Often mandatory for shorter focal length lenses in order to prevent vignetting
Product Line / Series CF-ZA-1S Lens Type Fixed Focal Length IP Rating Not Specified Focal Length 50 mm ƒ/N ƒ/2
27 mm Rear Principle Point -18
Step-Down Adapter M55-M49 Magnification_Not Specified 87 mm Entrance Pupil PositionStep 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
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