ZEISS IKON - Zeiss Jena Sonnar 180 2.8 Service

This comprehensive guide provides detailed procedures for disassembling and servicing the Zeiss Jena Sonnar 180 2.8 lens designed for Pentacon Six camera bodies, specifically the Zebra version. A valuable resource for technicians and vintage camera enthusiasts seeking to restore this high-quality professional lens. The manual systematically documents the complete disassembly process for all optical and mechanical components, including the front ring, front element, support ring, middle optical group comprised of three cemented elements, and rear element assembly. Each procedure is accompanied by specific guidance on required tools such as spanner wrenches, rubber wrenches, and improvised solutions using spare parts like empty tape spools. The cleaning and maintenance section outlines recommended products and techniques, including isopropanol for sterilization, alcohol or vinegar-based glass cleaners, and specialized treatments for seized components. Practical reassembly advice emphasizes using cotton gloves, hand blower dusting at each step, and proper securing of elements without excessive force. Detailed photographic documentation illustrates disassembled components and the complete toolkit, making this an essential reference for anyone undertaking restoration work on prestigious vintage optics. The guide combines technical precision with practical wisdom from hands-on experience in lens service.