home made test chart to compared how the old vintage Summicron 35mm so call 8 elements with the newest most expensive Summilux 35mm ASPH Fle.
printed test chart with finest line 2.5 lines per 1 mm. Distance fix on both lens (M8 camera on tripod steady no move) around 1 metre to the chart,

For sure that newest, highest technology the ASPH and Floating elements is better in most area, contrast and field curvature but not by far,
The low contrast of the renowned 8 element bring better on the area of more tone gradual smoothly.
Next testing will be on the real live photo compared.
Please waiting,
Remark: just finding that may the focus on old summicron were miss, will repeat the testing this weakend,
Updated: the new testing with the chart done, and now replace the previous samples.