Summilux, Summirat, Summicron...

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I've been looking around here now for a couple of weeks and haven't been able to find a 'definition' if you will for the names in the title of this thread.
Can someone enlighten me or point me in the right direction please?
Are they just 'model' designations for different lenses or ????
 
Yes, and as for Summirat, that's the mountain a little downhill from Ararat. It was submerged the day that Noah's Ark made landfall.

;)
 
I think Summitars were the precursors to Summicrons, which were first produced in the very early '50s.
 
I forgot to add Summitars to the list.
Are they all 2.0's?

Hi,

They replaced the Summar in 1939 and were f/2. Last made 1955 and screw mount and collapsible only. Almost but not quite a Summicron; although the pre-production Summicrons were tested and labelled as a "Summitar *".

Regards, David
 
Always,

Get yourself a Leica Pocket Book (no matter what edition), and it'll all get clear!
Fits any coat pocket good for hours of reading fun on end! :D
 
The first Summarits (1950s) were 1.5, right? And the Summarons were always 35mm focal length, though 3.5 or 2.8, if memory serves.
 
Sorry for the misspelling Mr Hill.

So these are more or less the progression of the lens design over the years?

No, they are more like families than progressions.

As others have said, the info is out there and easy to find. Or buy a book. Look for 'Identifying Leica Lenses' by Ghester Sartorius ISBN 88-900059-8-X.

It is as good a starting point as any.
 
And each of the lines has also seen multiple updates. Except for the newest Summarit-M's which are a newish Leica offering. Slower at 2.5, cheaper, smaller lighter...
 
And each of the lines has also seen multiple updates. Except for the newest Summarit-M's which are a newish Leica offering. Slower at 2.5, cheaper, smaller lighter...

Except for the latest Leica addition of the Summarits in form of their medium format lenses with maximum aperture of ƒ2.5.
Those come in more costly, bigger, heavier + with autofocus and weather sealing, some even with leaf sutter (do they ship already? … ducking).

In the beginning it all is very cryptic, but soon enough it all makes sense … careful, addictive!
 
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