Thanks Morton....doh
Pentax zoom....the only thing I was thinking on the Leica is the AFOV over the zoom range...its big. Big enough to not need any other eyepiece....ever...probably til I get to the 27mm Panoptic....but worth looking at, as is the Hyperion Mk III.
The Pentax and Baader don't replace other eyepieces, for me at least, the Leica does... or can