How to use ultra wide?

Just pince in the view finder and zoom out or press what looks like the three trees icon in the view finder. Two trees is the regular lens and one tree is the zoom. Those little icons are right next to each other (not all lenses available in every mode)
 
Just pince in the view finder and zoom out or press what looks like the three trees icon in the view finder. Two trees is the regular lens and one tree is the zoom. Those little icons are right next to each other (not all lenses available in every mode)

Thanks! I'm not too camera savvy and I'm checking out all of the ultras features. Whats 16:9 mode for? Why use that instead of the 3:4 or full?
 
Thanks! I'm not too camera savvy and I'm checking out all of the ultras features. Whats 16:9 mode for? Why use that instead of the 3:4 or full?

16:9 mode is largely if you want to take pictures that you'll show on a Television (or similar screen). For normal use, particularly if you are going to print the photos, the 3:4 ratio is better.
 
16:9 mode is largely if you want to take pictures that you'll show on a Television (or similar screen). For normal use, particularly if you are going to print the photos, the 3:4 ratio is better.

Now only if we could teach people to film horizontally instead of vertically! :p
 
How do I switch to the 48mp telephoto lens? I only see an option for the 108mp wide angle.