Zenzanon PE 40mm f/4 Lens for Bronica ETRSi / ETRS / ETR – Wide Angle Lens – Immaculate. Zenzanon PE 40mm f/4 lens. The PE series represents the later, premium and higher-performance optics in the Bronica lineup, known for excellent contrast, colour rendition, and edge-to-edge sharpness.
eBay