Nomenclature
<Q> Metering mode selection/Flash exposure compensation button (p.104/119)
<W> Shooting mode selection button (p.106,127,143,144)
<o>
AF mode selection/ Drive mode selection button (p.94/101)
<Y> AEB setting button (p.114)
Wireless File Transmitter mounting hole
Battery release handle (p.32,33)
Battery (p.28)
<V> Focal plane mark
Top LCD panel (p.21)
<p>
AF start button (p.41,95,96,127,147)
<A/y> AE lock/ Reduce button (p.115/161,197)
<S/u>
AF point selection/ Magnify button 
(p.97/161,197)
Eyepiece shutter lever (p.117)
Speaker (p.165,175)
Viewfinder eyepiece
Dioptric adjustment knob (p.40)
System extension terminal
If you use Wireless File Transmitter
18