Alloy AF Macro Extension Tube Adapter Ring 10/16mm for Canon EOS EF-M M5 M6 M100

For Canon EOS EF-M M M2 M3 M5 M6 M10 M50 M100 M200. Mcoplus Auto Focus Macro Extension Tube Ring 10mm 16mm. When using the extension tubes alone: 10mm or 16mm, or use them in combination : 10mm+16mm=26mm, the focal length of lens should be greater than the length of the tube.

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