Rollei 28.5mm Rolleipar Proxar 1

Three piece close up lens set for Rolleiflex TLRs designed for close up photography at distances closer than 1 meter. The set includes two optically matched front Rollei-Curtar 1 lenses (one for the taking lens and one for the viewing lens) and a Rolleipar Proxar 1 which fits on the Rollei-Curtar that's over the viewing lens. This lens contains a built-in prism for parallax correction so the vie