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Hello, 

Let me introduce them to you...both are Summicron 2/90 Made in Canada,

they are from the same year :1960, both were screw mount born but, the first was M mount and red dot added and it is on a M3 from 1955 the second remained genuine and it is on a IIIg from 1957.
 

just wanted to share with you
Thanks for looking

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To complement JC display of two slightly different Summicrons 90 of the same year... here are two slightly different Summicrons 90 of very different years...

 : the black one (2814779 - number is on side) is from the "spurious" preliminary batch dated 1977 (before official intro) with its distinctive design "error-naivety" (the shade covers the f stop ring, and pretending to declare a DOF at f2 is practically unuseful) , the other is from the last year of production (1995) - maybe from the last batch which included silver items. Both from Canada, though in 1995 the Elcan factory didn't belong anymore to Leica.

Edited by luigi bertolotti
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There is an additional variation of the type IB 90mm Summicron in the 1818xxx range. The minimum aperture of the lens is f/16 but the depth of field indicator extends to f/22.

When using the lens head on the Visoflex II or III there is a choice of two short barrels or focussing mounts. Probably the most common is the focussing mount ZOOEP/16463, scaled from 1m to imfinity. There is also the focussing mount 16462 which additionally takes the lens head of the 135mm f/2.8 Elmarit. A half-hearted attempt to purchase the latter lens (first design) was aborted when its lens head failed to fit my ZOOEP or its extension tube OUEPO/16474 when used in conjunction with ZOOEP.

 

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  • 4 weeks later...

Hello Orient XL,

 

 The lens in your Post #7 above is actually a Second Version 90mm Summicron. Some Second Version 90mm Summicrons only stopped down to F16. Others to F22. The lenses shown in Luigi's Post #6 above are actually the Third Version.

 

It is possible that what you showed in the photographs was a lens head matched to a later acquired focussing mount. Did you ever notice if the serial number of the lens head matched the serial number of the focussing mount?

 

Since the focussing mount & the lens head did fit together correctly it is probably possible to find a usable focussing Short Mount. If you look elsewhere in this section you will see a similar problem & efforts for its solution with a Third Version F4.8, 280mm Visoflex Lens.

 

 Bellows II,16598J ............ is its title.

 

 

Hello Jean Claude,

 

Would you also by any chance have a later version black 11126/11132?  If so: Is it black paint or anodized? Knurled dimples or just knurled? Or is a later version black 11126/11132 like a screwmount 35mm Summilux: Something which should exist but nobody seems to have 1.

 

Best Regards Both,

 

Michael

Edited by Michael Geschlecht
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....

Hello Jean Claude,

 

Would you also by any chance have a later version black 11126/11132?  If so: Is it black paint or anodized? Knurled dimples or just knurled? Or is a later version black 11126/11132 like a screwmount 35mm Summilux: Something which should exist but nobody seems to have 1.

 

Best Regards ,

 

Michael

you mean black in screw mount ?  Lager says to have seen 3 of them...

  (1680297 1680310, 1680353, this one depicted in his book) : painted, it looks... and Lager says they were "on request"...
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Hello Luigi,

 

Sorry for the confusion. What I was asking about was whether Jean Claude might have a picture of a later version Black Short Mount Pre-Set 90mm Summicron lens (11126) or a later version Black Pre-Set lens head alone (11132) for bellows mounting.

 

The question about the 35mm Screw Mount Summilux was used as a comparative example.

 

Best Regards,  

 

Michael

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Michael,

My 90mm Summicron is definitely the first version with 6 lens elements. I designated it as version IB to distinguish it from the very earliest type (IA) with the detachable hood. Further, the serial number quoted 1818xxx is from 1960 a full 20 years before the second version appeared.

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