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CANONSCHOOL<br />
Capturing clearer sound for your movies requires an external<br />
microphone that is positioned closer to the source of the sound<br />
The sound when shooting video on my<br />
70D is poor, would a microphone help?<br />
Alan Wilson, Edinburgh<br />
Brian says… You’ve just discovered two of the most<br />
important things for movies: first, sound is often more<br />
important than the actual video; and secondly the camera’s<br />
built-in mic is not the right tool for the job. The built-in mic<br />
usually picks up any noise you create by changing controls or<br />
holding the camera while filming to add to the trouble.<br />
To capture much better sound you need to position a mic<br />
closer to the subject. The type of mic you use will depend on<br />
the kind of sound you need to record. For a person speaking<br />
on camera the common choice is a tie-clip mic, usually<br />
called a lavalier mic. Because it’s near to the sound source<br />
the voice will be much clearer. Think of a mic a bit like a lens<br />
and don’t skimp on the quality; top brands like Røde and<br />
Sennheiser are worth looking at.<br />
Can I apply the latest firmware<br />
update for my EOS 7D Mark II if my<br />
camera is many versions behind?<br />
Francois Malherbe, South Africa<br />
Brian SAYS… Virtually all EOS cameras have<br />
a firmware update at some point. It’s best to keep<br />
your camera up to date with the current firmware as<br />
frequently they improve the performance of the camera,<br />
or correct unexpected behaviour. For most updates you<br />
can just install the latest version regardless of the<br />
version on your camera.<br />
So if you have v1.0.2, then<br />
you can install the latest<br />
v1.1.1 without doing all<br />
the versions in-between.<br />
You can find your<br />
current firmware here:<br />
http://bit.ly/eosfirmware<br />
Upgrading your firmware is<br />
straightforward and only<br />
takes a few minutes<br />
Can I use the<br />
Canon Extender<br />
1.4x with my EF<br />
100-400mm<br />
f/4.5-5.6L IS II<br />
USM and 70D?<br />
Stephen Phillips, Devon<br />
Brian says… Adding a<br />
Extender 1.4x to any lens<br />
will reduce the maximum<br />
aperture by 1-stop. This<br />
makes your 100-400mm<br />
lens a 140-640mm lens<br />
with an f/6.3-8 aperture.<br />
Your EOS 70D’s AF system<br />
needs at least f/5.6 to<br />
operate so autofocus<br />
won’t work properly.<br />
What is the point<br />
of the lock switch<br />
on the back of<br />
the EOS 80D?<br />
Sarah Higgins, Bristol<br />
Brian says… The lock<br />
switch will stop the rear<br />
control dial from<br />
inadvertently changing<br />
camera settings. If the dial<br />
is accidentally nudged<br />
there could be a change in<br />
exposure settings that<br />
would affect your next<br />
shot without you realizing.<br />
Why don’t my<br />
radio-triggered<br />
studio lights flash<br />
using Live View?<br />
William Coulton<br />
Brian says… The first<br />
shutter curtain is already<br />
open to uncover the<br />
sensor for Live View. This<br />
makes it not normally<br />
possible to trigger any<br />
non-dedicated flashes on<br />
the hotshoe. However, the<br />
Silent LV shooting setting<br />
changes how the shutter<br />
curtains work and should<br />
be set to Disable. Once<br />
this is done your radio<br />
trigger will be able to work<br />
with your studio flashes.<br />
The 800D has a new style of displays, but you<br />
can go back to a more familiar look<br />
I’m considering an EOS<br />
800D, but I’m worried the<br />
new-style display will take<br />
some getting used to…<br />
Sheila Watson, Lincoln<br />
Brian says… It is possible to switch<br />
both the shooting displays and the<br />
menu navigation to the old style. I like<br />
the new shooting screens, but prefer<br />
the old menu displays. To make the<br />
switch press Menu, and then use the<br />
touchscreen to access Display Level<br />
Settings. Change the Shooting Screen<br />
and Menu displays from Guided to<br />
Standard to look like your older EOS.<br />
Panning at 1/320 sec, 100mm focal length,<br />
motorbike travelling at approximately 60mph<br />
What shutter speed<br />
should I use for panning<br />
shots of motorbikes?<br />
John Mears, Hull<br />
Brian says… The shutter speed<br />
depends on several factors including<br />
focal length, the speed of the bike and<br />
the distance. In the picture 1/320 sec<br />
was used and this will limit the blur of<br />
the rider on a rough motocross track.<br />
Racers on a tarmac track will be faster,<br />
but smoother. My approach is to start<br />
from 1/250 sec with a 200mm lens<br />
then make a 2-stop change in shutter<br />
speed between shots as this is enough<br />
to see a change on the camera screen.<br />
90<br />
www.digitalcameraworld.com
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