DOCUMENTED REPAIR · HOSTOPHOTO

Removing fungus from a Nikon EL-Nikkor 50mm f/2.8 N

A quick intervention on this Nikon EL-Nikkor 50mm 2.8 N enlarging lens. Every element is heavily affected by fungus, so a good hydrogen-peroxide bath will give it a new lease of life. Follow that with isopropyl alcohol, and we…

A quick intervention on this Nikon EL-Nikkor 50mm 2.8 N enlarging lens. Every element is heavily affected by fungus, so a good hydrogen-peroxide bath will give it a new lease of life. Follow that with isopropyl alcohol, and we are ready to go! Enlarging lens Version with illuminated numbers (handy in the darkroom) Tools and materials used Lens spanner Precision tweezers Air blower Rubber cones Storage box Nitrile gloves Cotton swab Hydrogen peroxide 99% isopropyl alcohol Essence C cleaning solvent Lens-cleaning paper