Nikon Set anelli di estensione automatica PK-11A/ PK-12/ PK-13 Made in Japan

Nikon Auto Extension Ring PK-11a, PK-12, PK-13. The optimal combination for your shooting purpose can be selected.Use the most appropriate combination for your shooting purpose. Seven different lengthening possibilities are available, depending on the length of each ring and its combination.The combinations are flexible, but any combination can be used.

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