Photo 4 – Microscope model Hertel & Reuss Metall This is metallurgical version of CN-fle microscope. Focusing block is PROBABLY compatibile with Primus.Microscope parts from Hertel & Reuss: 👉 https://www.microscopeparts.eu/hertel-reuss Microscope parts for Hertel & Reuss Metall: 👉 https://www.microscopeparts.eu/for/hertel-reuss/metall Statistics for microscope manufacturer Hertel & Reuss: 👉 https://www.microscopeparts.eu/manufacturer/hertel-reuss-10 Statistics for microscope model Hertel & Reuss Metall: 👉 https://www.microscopeparts.eu/microscope/hertel-reuss-metall-164