The ELEFOTO CTX-CE is an adapter for mounting Contax/Yashica (C/Y) mount lenses on Canon EF mount bodies. This adapter is made with high metal precision, minimizing play and light leaks, making it a trusted Japanese manufacturer for C/Y users. 【Compatibility】 ・C/Y mount lenses (Planar, Distagon, Sonnar, etc.) ・Canon EF / EF-S bodies 【Condition】 ・Used sparingly, it's in beautiful condition with the original metallic luster still present. ・There are no scratches, distortions, or play that would affect mounting. 【Notes】 ・No electronic contacts, so no autofocus or aperture control (manual focus only) Recommended for those who want to use C/Y old lenses on their EOS cameras.