This manual describes how to use the GR-OBJEKTIV A12 50 mm F2.5 MACRO lens.
This document is a German user manual (Bedienungsanleitung) for the Ricoh GR interchangeable lens unit. It details the contents of the package, including the camera unit, lens cap, and instruction booklet. The manual explains that this lens must be used with a compatible Ricoh GXR camera body. This manual is written in German.
The serial number is found on the bottom of the lens.
You should make test shots to ensure the camera is functioning properly.