This week is all about L-mount (and some E-mount): Leica SL2, Panasonic L-mount lenses and Sigma 24-70mm f/2.8 FE and L

This is going to be the last busy announcement week of  the year:

1) November 6: Leica will launch the new SL2
2) November 6: Sigma will announce the development of  the new  24-70mm f/2.8 lens for Sony FE and the L-mount  system
3) This week Panasonic will also launch two L-mount lenses….