METZ - Metz flash Mecablitz 45 CT1 Service

Comprehensive technical and service manual for the METZ Mecablitz 45 CT1 flash unit, 1976 model. This document provides complete technical specifications and operating principles for this professional electronic flash system. Coverage includes full technical data such as film speeds (21 DIN 100 ASA, 18 DIN 50 ASA, 15 DIN 25 ASA), illumination angles (65° horizontal, 46° vertical), and swivel reflector specifications with 360° horizontal and 90° vertical coverage with six setting stops. The manual documents power supply options featuring NiCd accumulator (6 x 1.2V 0.5Ah), alkaline manganese cells, and optional mains-powered packs (N 20 and N 21). Flash capacity ranges from 50 to 2000 shots with NiCd accumulator and 120 to 2600 with battery. Recycle times vary from 0.7 to 16 seconds depending on power source, with flash durations adjustable between 1/300 and 1/25000 seconds. Detailed circuit operation sections explain the AC/DC converter, automatic exposure system with series-controlled thyristor, and available optional accessories. Physical dimensions, weight specifications, and rapid charging procedures for NiCd accumulators are included. Essential reference material for technicians engaged in servicing and repairing vintage photographic equipment.