Helios 44M-6 MC vs Helios 44M +Canon 7d [front light test]
15:47
Helios 44M-6 disassembly and re-grease
18:15
Helios Swirls - A look at the 44, 44-2, 44-3, 44M, 44M-4 to 44M-7
57:31
Helios 44m-6. Full lubrication tutorial
9:23
La única lente que necesitarás...
22:20
Helios 44m lens. Ultimate buying guide.
10:12
Canon ha presentado un sensor con resolución 24K
13:12
Limpeza do diafragma e tratamento de fungos com água oxigenada - lente Helios 44M-6 58mm 2.0 (M42)
8:22