killling fungus in optics

from hungary:

hispan-hu

tools:

cotton bud

distilled water

cleaning alcohol (IPA)

hand cream

uv light

White vinegar ?

acetone (where to buy?)

Naphtha or kerosene

Richard Haw

photrio

professional cleaning in TW

in Japan, repair

Hydrogen peroxide + ammonia

Bilibili

Exposure guide

10 points checklist before you buy a vintage lens

foggy corrector

Does it matter?

Lubrication:

Nikon was using CP-4 from NPC( discont.)

Now is photolub BC-13A. Synthetic oil, lithium soap thickener with 20%PTFE

Other possible candidates are:

Molykote em-30l

For helicoid threads, use lapping compound to polish away the grits. Then NLGI 000 to 3 grade lube, with PTFE.

For Alu and brass, it's suggested to use grade 0

FLOIL GP-125:

G-177:

Canon website

Aperture blades:

Dry film lubricant 干膜劑

Eg Krytek i8030

Inqtek D101

Si-180?

Dupont dry film lubricant on Photrio forum

CFC

Largeformat forum, read it with a grain of salt

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