Strange 'fungus', Nikon 85/1.8 K

[alex.g]

Hi guys,
i got thei len while ago, seller said it has some sand inside, focusing rig was hardly moving and felt like sand.

But when i took that lens and keeped for some time, same haze appears under the front element, when i placed it on the deck it disappears.

Today i dismatled it, and took it in my hand again.



getting smaller


took in my hands again


Also it has some don't-know-how-to-name it on the walls of the bigger cemented element (under front element),



something like some flektogons 50 have.



What is it all?

[Attila]

It looks to me cleaning liquid went into lens elements and still there.

[alex.g]

hm... previous owner opened it or wanted to open front element, so there are marks on rings.
Maybe it was dropped to water o something.

So hazing coz of cleaning fluid?

and what is this on flektogons?

[Attila]

This is happen with other lenses too, I had Olympus OM 24mm f2.0 with similar trouble which is a top lens from a top maker. Inner black paint is start to take off. I didn't see any trouble on images what I did took with my Olympus OM 24mm.

[alex.g]

so it is different then
i have no space between glass and walls