Cine Kodak Bifocal Converter Ektanon Lens (MINT)

Cine Kodak Bifocal Converter Ektanon Lens 2 1/2 inch f/1.6 for a Kodak 16mm Projector. The box states 2 inch, however the marking on the lens shows 2 1/2 inch. Please look carefully at photos.

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