Meyer Optik will announce a new lens on Friday - see the teaser above: for perspective and scale, in the background to the left and center it appears to be the Trioplan 50 and Trioplan 100. The new lens (in front center) has a profile similar to the T50:
Update - there are actually two new Meyer Optik lenses that are expected to be announced:
Here are a few sample photos taken with the new lens:
