This empirical field test of a fairly well-preserved CZJ Triotar 85/4 lens confirms its well-known performance, although a final judgement needs to wait the lens to be serviced by master Adriano Lolli in order to clean veiled glasses. At F4, central sharpness is moderate yet usable, with a lack of microcontrast. By contrast, the corners are softer. Flare resistance is suboptimal by modern standards, while colour rendition is accurate enough, although robust tweaks are needed in post-production. This photo of the Leica store display in Via dei Due Macelli, Rome, is a flare torture test. The bright, emissive Leica sign against a dark background, plus additional reflections and obstructions, creates…