helios-44m 58mm f2 8120872 disassembling, cleaning, relubricating

A service video of the vintage soviet lens helios-44m 58mm f2 SN: 8120872 A summary of work done for this lens: Completely strip off of old soviet grease in the entire lens Relubricated focusing helicoid with Helimax XP NLGI #1 grease Declicked aperture Relubricated aperture ring mechanism with Polar Bear Camera NLGI #3 grease All lens elements wiped down with IPA99% Replaced grub screws with new 303 stainless steel and threadlocked with Loctite 222 Feel free to visit my store for serviced vintage soviet lens 🤗 https://www.dwaynefoong.com/shop 00:00:00 initial inspection 00:02:10 disassemble rear end 00:07:19 disassemble front end 00:13:33 disassemble focusing helicoid 00:21:05 cleaning focusing helicoid 00:54:48 relubricating focusing helicoid 01:17:49 cleaning lens block 01:25:20 removing rear group element 01:27:40 removing front group element 01:30:42 cleaning rear group element 01:58:08 cleaning front group element 02:19:47 reassemble optical block 02:27:12 relubricate aperture ring 02:46:19 threadlocking screws 03:05:40 final inspection // VINTAGE LENSES FOR VIDEO // SHOP: https://www.dwaynefoong.com/shop Film emulation with ‪@Dehancer‬ Pro 7 (Kodak Vision3 50D + Kodak 2383) Get 10% off with code 'DF10' 🤩 https://bit.ly/DF10