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 🤗
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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://linktr.ee/dwaynefoong

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