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EOS S.O.S<br />
Flash COMpatibILIty<br />
My ST-E3-RT transmitter triggers my<br />
600EX-RT flashes, but not my Mecablitz<br />
58 AF-2 flash, is it possible?<br />
Graham Hobbs, Peterborough<br />
A Speedlite in the<br />
lampshade couldn’t be<br />
triggered optically, but<br />
radio triggering worked<br />
Brian says… The ST-E3-RT<br />
communicates with the<br />
Speedlite 600EX-RT using<br />
radio wireless. Radio has the<br />
advantage that it doesn’t<br />
need line of sight between the<br />
flash and transmitter, or care<br />
how bright the ambient light<br />
is. However, your Mecablitz 58<br />
Optical wireless can be unreliable<br />
in daylight, but radio wireless can<br />
trigger the flash, even in a softbox<br />
Rate my PHOto<br />
Paddle Boarding by<br />
Roger Willoughby<br />
Roger says… I visited Hunstanton in<br />
Norfolk and had gone out to try and take<br />
a photo of the sunset. I was planning on<br />
using my Lee Little Stopper for really long<br />
exposures, so had my EOS 6D on a tripod<br />
and used a hard graduated 2-stop ND<br />
filter to hold some of the brightness back<br />
in the sky. When I saw the paddle boarder<br />
come into view I decided to take photos<br />
without the Little Stopper. Even though<br />
this was captured at 1/13 sec there’s no<br />
real effect on the boarder’s sharpness.<br />
Brian says… Sunsets are a difficult<br />
subject to photograph; the range or<br />
brightness often means filters are<br />
needed but, even then, it’s just another<br />
sunset. This picture is a bit different due<br />
AF-2 flash doesn’t have a<br />
radio receiver built in.<br />
This leaves a couple of<br />
options, you can stop using<br />
the ST-E3-RT to control the<br />
other flashes, and use one of<br />
the Speedlite 600EX-RT<br />
flashes as a master using<br />
optical wireless. Optical<br />
wireless is less reliable in<br />
bright light and over longer<br />
distances, and is much less<br />
reliable if the Speedlites are<br />
fitted inside a softbox.<br />
Another possibility is to<br />
trigger your Mecablitz with<br />
an additional radio receiver.<br />
I have used Yongnuo YNE3-RX<br />
and Phottix Laso receivers to<br />
trigger Speedlite 580EX II<br />
flashes with the ST-E3-RT<br />
transmitter. However, due to<br />
the age of your Mecablitz flash<br />
I suspect that these radio<br />
receivers will not work fully<br />
with your unit and give E-TTL<br />
automatic flash. The Yongnuo<br />
receiver can just trigger the<br />
Lens<br />
Exposure<br />
Canon EF 24-105mm f/4L IS USM<br />
1/13 sec, f/22, ISO100<br />
Mecablitz in manual mode,<br />
though you’ll need a cable to<br />
link the receiver and flash.<br />
As an alternative, you might<br />
try one of the independent<br />
radio wireless compatible<br />
flashguns, such as the<br />
to the arrival of the paddle boarder<br />
in the frame. The colours feel realistic,<br />
yet warm and peaceful.<br />
I like the letterbox crop; it works well,<br />
though I think it can be cropped a little<br />
more to remove some of the darkest<br />
parts of the frame in the lower-left<br />
Yongnuo YN600EX-RT. For<br />
relatively little money these<br />
make handy additional flashes<br />
and I have successfully used<br />
them in conjunction with<br />
Canon radio wireless<br />
Speedlites and transmitters.<br />
Get<br />
critiqued!<br />
Email photos to<br />
EOSSOS@<br />
futurenet.com<br />
with the subject<br />
‘Rate My Photo’<br />
corner. There are also two people in the<br />
shadows on the shore that would be<br />
eliminated with a tighter crop, and the<br />
paddle boarder will appear larger in the<br />
frame. As an alternative, you could crop<br />
the bottom 25% off the height to make<br />
a panoramic image.<br />
The Canon Magazine 91
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