50mm Summilux ASPH and 50mm Summicron ASPH

[lars_bergquist]

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Would you have a sample of this by chance? I've never got such flare in 30 years use of mine but i could try to repeat your experience eventually. According to my own experience, so far, other Mandler lenses like 35/2 IV are more flare prone than the 50/2.

 

Needless to say, I did not keep those pictures.

 

The setup you shot, in my experience, does not produce the phenomenon. It takes a large area of great relative brightness, like that bright overcast sky above the dark edge of the forest, to get it. Strange to say, many lenses including this one react less to light sources inside the frame than immediately outside it!

 

I do own the v.IV Summicron. It is not especially prone to flare. The current (new) Summilux ASPH on the other hand displays a limited radiation of veiling glare close to a very strong source of light adjacent to or immediately outside the frame. (See picture. The light comes from a roof window.) But this glare is so well controlled that I actually love the lens. The original pre-ASPH Summilux of 1962 spread this kind of glare around ordinary highlights in the picture, which is why I discarded it for the first ASPH version -- now exchanged for the current one.

 

The not quite spherical old man

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[lct]

This nearly old spherical man thanks you much for sharing. Interesting what you say about the current 35/1.4. First time i hear of flare with that lens.

[tobey bilek]

I have only sold a few lenses in my life, 21 3.4 and some others whose identity escapes me, but I know I will regret it if I do. The 21 had too much vignetting. If you like the rendering of the 1.4 and do not mind the weight & size, that lens would be the one I keep.

 

The flare problem of the 2.0 can be cured with a square cutout in a circular baffle set behind the rear element. Pics are on the form somewhere. Cut out has to be 2x3 proportion and as large as possible within the baffle. I have lenses made this way by other manufactures, believe Zeiss for Hasselblad.