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shooting (to ensure there are no converging or
diverging lines), then this feature is for you.
Technically referred to as “Pitch and Roll”,
you would use it in much the same way as
you’d use a carpenter’s level.
Figure 6-6 shows the display in action,
although it’s a little difficult to see the red and
green lines in the pictures. These lines help
guide you to the correct positioning of the
camera. When both axes are lined up, all
colored lines turn green and you’re all set!

6.6.3 HISTOGRAM
I find it very, very handy to have a live
histogram in my Live View screen. It can
show you right away if any of your whites
have blown out or if there’s no detail in your Figure 6-6: The Digital
shadows. Figure Level Gauge will help you
6-7 shows you position your camera so it
what it looks like. is parallel to a building
(pitch, in the upper image)
If you don’t know
what a histogram and is level (roll, the middle
is, that’s OK – image). When both
I’ve included an parameters are correct, all
lines will show green across
explanation of it the center (bottom).
Figure 6-7: You can see (with lots of
before you shoot whether examples) in Appendix A, Section A.7.
there will be detail in your
highlights or shadows with
the live Histogram.

TIP: The histogram display is NOT available in movie mode (not even in manual
exposure movie mode, where it would have been very useful.) For you, there’s
the Zebra stripe function (which works with both stills and movies – Section 6.1).