Lens Nikon Nikkor 20mm 1:2.8 Ai-s
In this video I clean the old grease off the helicoids with isopropyl alcohol. The grease I use is for plastic gears.
00:26 Start disassembly
04:49 Cleaning old grease
11:07 New grease
14:57 Assembly
20:58 Final result
Негізгі бет Ғылым және технология Nikon 20mm - Cleaning and lubrication
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