[Leica] 35mm Summicron R lens - good , bad, so so?

[hlritter at bex.net (Howard Ritter)]

What is the Mandler version, why is it so named, and how can I tell whether 
mine is one?

?howard 

On Jun 21, 2011, at 8:01 AM, Marty Deveney wrote:

> I just played with some 35mm R lenses recently.  The Mandler version
> of the lens is really great.  It's very flare resistant with light
> sources in the frame, has excellent colour reproduction and few
> serious flaws.  It occasionally flares when there are diffuse, bright
> sources of light outside the frame, much like the 50/2 Summicron-M
> six-element versions.  With an SLR you can usually see the flare
> before you shoot.  The Summilux-R is better until about f2.8-4, where
> they become equal, and has better close up and near-far performance
> because of its floating element.  But the Summilux has more optical
> vignetting, and has a 67mm filter thread, and is much heavier, instead
> of 55 for the Summicron.
> 
> Marty