Mamiya Sekor 55mm f/2.8 — I Learned the Hard Way So You Don't Have To

The Mamiya Sekor C 55mm f/2.8 is a beautiful classic lens from the Mamiya 645 system. During the restoration, things didn't go exactly as planned, and I ended up learning a lesson the hard way. In this video, I share the process of bringing this vintage lens back to life — including the mistake I made along the way. I hope you enjoy the journey. Chapter 00:00 Intro 00:46 Disassembly 05:08 Lens Cleaning 11:50 Lens Doublet Recement 16:49 Cleaning the lens housing 20:22 Lubricating Helicoids 29:17 Infinity focus adjustment 31:46 Outro 🪛Some of the TOOLS that are good for camera repair.🔨 🎫3D printer for custom jig making - https://amzn.to/4h8dkPg 🎫Microfiber Wipes - https://amzn.to/4yF6Xub 🎫Microfiber Swaps - https://amzn.to/3T7qRP9 🎫JHT Grease - https://amzn.to/4iUMRnS 🎫Precision screwdriver set - https://amzn.to/41Tyut9 🎫Precision Circlip Plier - https://amzn.to/4jRl081 🎫Ultrasonic Cleaner 40khz - https://amzn.to/4bWNmeX 🎫V-shaped lens spanner - https://amzn.to/4l5hp8m 🎫Eco white glue. - https://amzn.to/4hBdGfI 🎫CA glue remover - https://amzn.to/4kMtQG1 🎫WD-40 - https://amzn.to/4ixBEtE 🎫WD-40 PTFE drylube - https://amzn.to/4hF89F0