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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
21 mm Distance Between Principle Points -16
0° Back Focal Length 16
5 mm ƒ/N ƒ/1
Use smaller diameter filters on lenses with larger diameter filter threads
45 μm Weight 95 Grams Mount C-Mount Filter Thread M30
Step-Down Adapter M34-M30.5 ƒ/N Max_ƒ/2.3 21 mm Distance Between PrincipleStep 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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