Leica R lens adaptor for NEX7

Grrr...just remembered...the NEX7 has a crop factor. What will that do to a Leica R 80 Summilux? Does it change the pov? Does it change the effective aperture?
 
1.5x crop. 80 -> 120 pov. i think that bumps the effective aperture by one stop but don't let's start a science fight about what crop lenses REALLY do.
 
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