Help identify a strange Summicron 35mm 8-element (re-posted in International forum)

[cp995]

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Interesting!
The photo from the TO shows a big (maybe modified/repainted) black dot for the apperture stop.
It's a lot smaller on my Summaron

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[luigi bertolotti]

On 2/18/2022 at 6:57 PM, cp995 said:

Interesting!
The photo from the TO shows a big (maybe modified/repainted) black dot for the apperture stop.
It's a lot smaller on my Summaron

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On my Summicron 8 el. is a bit larger... but not like in the OP lens... which imho looks also to have a chrome finishing someway "strange"...

 

Btw... the Summaron above posted has in turn an oddity : the base is of a Summicron... DOF scale 2 to 16.

 

Edited February 19, 2022 by luigi bertolotti

[a.noctilux]

Another oddity, mystery counting number of rings in front

I never saw such protruding of lens protection looking from one side

here 6 or 7 on authentic version 1 Wetzlar Summicron 1:2/35 # 2 09x xxx

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[wizard]

Am 18.2.2022 um 18:57 schrieb cp995:

It's a lot smaller on my Summaron

Why does your Summaron have the body of a Summicron?  As Luigi correctly noted, the DOF scale should run from 2.8 to 22, and not from 2 to 16.

[cp995]

vor 6 Stunden schrieb wizard:

Why does your Summaron have the body of a Summicron?  As Luigi correctly noted, the DOF scale should run from 2.8 to 22...

Better ask Leica

 

Edited February 21, 2022 by cp995

[wizard]

vor einer Stunde schrieb cp995:

Better ask Leica

Did you buy it new from Leica?

[cp995]

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vor 22 Stunden schrieb wizard:

Did you buy it new from Leica?

No, bought it used!

But why worry? I never missed  f22, as I don't use it due to diffraction.

Edited February 22, 2022 by cp995

[wizard]

vor 47 Minuten schrieb cp995:

No, bought it used!

That's what I thought, so someone may have messed with your lens, too. As long as it works well, that's not a problem though.

vor 48 Minuten schrieb cp995:

I never missed  f22, as I don't use it due to diffraction.

I do not use f22 either, I just mentioned f22 as it is part of the Summaron's DOF scale.