White stuff on aperture blades.

[Zewrak]

Hello.

I got a lens in the mail today. And when inspecting it, there is something whiteish on the apertureblades. Everything else is fine with the lens. I cannot find any trouble with it.

Does anyone have any idea what the white marks on 2 of the blades are?

Regards, Daniel
75224

[Old-N-Feeble]

Open the shutter and aperture fully and shine a bright pinpoint flashlight through the lens. Look for white specs or spidery marks on the glass. While your at it look for internal dust and haze too.

[E. von Hoegh]

Wear marks. Normal. They're shutter blades, not aperture blades, by the way.

[Old-N-Feeble]

EvonH... I saw the wear marks too and was only concerned about the spots. It's probably just dust or lint. Never-the-less it's a very good idea to inspect the glass thoroughly with a pinpoint light source.

[Zewrak]

the marks is all thats not excellent. :) The dust you see is on the front element. I live in a ocean of seedthingies atm. Cant keep anything dustfree for more then three seconds. Thanks for the reassurance EvH. And yes, ofcourse its the shutter. I blame language barriers ;)

[E. von Hoegh]

the marks is all thats not excellent. :) The dust you see is on the front element. I live in a ocean of seedthingies atm. Cant keep anything dustfree for more then three seconds. Thanks for the reassurance EvH. And yes, ofcourse its the shutter. I blame language barriers ;)

Sorry, I someimes forget we're not all native English speakers here.