How to Clean Aperture Oil from Nikon 50mm 1.8 Ai-s Series E Lens Pt. 1/2
This video shows How to Clean Aperture Oil from Nikon 50mm 1.8 Ai-s Series E Lens. Oil warms up from the focus ring and can seep onto the aperture blades usually through screw holes which causes the aperture blades to stick together. This eventually can get so bad that the blades will stick wide open requiring repair to have them close again.
This is 1 of 2 vids and the next vid shows reassembling the lens.