SMC PENTAX 50mm F1.4 cleaning, disassembly (Vệ sinh lens Pentax 50mm F1.4 SMC)
21:34
Restoration of old treasure vintage lens - Pentax SMC 50mm f/1.4
1:16:06
Super Takumar 1:1.4/50 Optical difference between the 8 element and 7 element version
21:53
SMC Pentax-M 50mm f2 Lens Disassembly
15:52
펜탁스 50mm 1.4렌즈 분해 영상(smc PENTAX-A 50mm F1.4 Lens repair)
28:47
AVOID This FANTASTIC Vintage Lens - And Four You Should Buy!
33:51
Pentax Spotmatic Repair
18:30
Pentax FA 50mm f1.4 Classic. A new lens with classic optics, great bokeh and amazing rainbow flares.
13:01