Step-Down Rings

Step-Down Rings 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) Step-Down Part Numbers SD27-25.5, SD30.5-27, SD34-30.5, SD46-40.5,SD49-46, SD52-46, SD52-49, SD55-46, SD55-49, SD55-52, SD58-46, SD58-52, SD58-55, SD62-46, SD62-52, SD62-55, SD62-58, SD67-46, SD67-55, SD67-58, SD67-62, SD72-46, SD72-55, SD72-62,

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