Helios 44m focus lubrication tutorial
1:15:25
HELIOS 44 M 2/58 Re-grease the very stiff focus ring / assembly
28:11
HELIOS 44m-4 proper Nikon adjustment
57:31
Helios 44m-6. Full lubrication tutorial
55:37
Sonunda Beklenen Uçuş Geldi! 😎🚀
29:53
How to lubricate HELIOS-40
3:08:30
4-20mA Current Signal? Wiring, Scaling, Programming, Troubleshooting
20:25
Helios 44 and 44 2 Cleaning the Aperture Blades
22:03