Warning, 50/1.5 Summarit is a low contrast lens.
I do like that it is glowy, though. And you can shoot it wide open in full sun without a ND because it\'s low contrast. Great for the M9\'s narrower dynamic range.
Some others from the archive that were posted here last year:
First at f/2.8 for reference against wide open below it:
And vs. the 50 Lux ASPH, both wide open:
I think you can tell which is the ASPH.
A few more from the Summarit:
For comparison, the CV40 f/1.4 with somewhat similar framing -