Mamiya RZ67 telephoto providing portrait-ideal 90mm equiv on 6x7 medium format.
The Mamiya Sekor RZ 180mm f/4.5 W is a telephoto lens for the Mamiya RZ67 medium format system. The W designation may indicate a specific optical variant or weight-optimised version. On the 6x7 format, 180mm provides approximately a 90mm equivalent perspective ideal for portrait and telephoto work.
Optical quality is good with the multi-coated Sekor formula delivering sharp images with good contrast on the generous 6x7 format. The enormous negative ensures extraordinary detail and the rich tonal gradation that medium format photography delivers. The leaf shutter provides flash sync at all speeds.
Build quality follows Mamiya RZ67 professional standards with robust metal construction and the reliable mechanical quality the system demands. The lens handles well on the large RZ67 body and provides smooth focus operation for manual focusing at telephoto distances.
On the used market, the Sekor RZ 180mm f/4.5 W offers affordable telephoto capability for the RZ67 system. For RZ67 photographers wanting moderate telephoto reach with the extraordinary quality of the 6x7 format, it provides solid performance at accessible prices.