Canon EOS M Instruction Manual page 139

Effective Flash Range Effective Flash Range Effective Flash Range
ISO speed
18mm (f/3.5)
100 1 - 2.6 / 3.3 - 8.5
200 1 - 3.6 / 3.3 - 11.8
400 1 - 5.1 / 3.3 - 16.7
800 1 - 7.3 / 3.3 - 23.9
1600 1 - 10.3 / 3.3 - 33.8
3200 1.3 - 14.5 / 4.3 - 47.6
6400 1.8 - 20.6 / 5.9 - 67.6 1.1 - 12.9 / 3.6 - 42.3 3.2 - 36.0 / 10.5 - 118
12800 2.6 - 29.1 / 8.5 - 95.4 1.6 - 18.2 / 5.2 - 59.7 4.5 - 50.9 / 14.8 - 167
1
Attach a Speedlite and turn on the
Speedlite.
X
2
Check that the <I> lamp lights.
3
Press the shutter button halfway. Press the shutter button halfway. Press the shutter button halfway.
4
Take the picture. Take the picture. Take the picture.
EF-M 18-55mm f/3.5-5.6 IS STM EF-M 18-55mm f/3.5-5.6 IS STM EF-M 18-55mm f/3.5-5.6 IS STM
The Speedlite's power lamp will light
and recharging will start.
When it lights, you can shoot.
In Basic Zone modes (p.26), you will
not be able to release the shutter until not be able to release the shutter until not be able to release the shutter until
the <D> lamp lights. > lamp lights. > lamp lights.
On the bottom left of the LCD monitor, On the bottom left of the LCD monitor, On the bottom left of the LCD monitor,
check that the <D> icon is displayed. check that the < check that the <
When focus is achieved and you When focus is achieved and you When focus is achieved and you
press the shutter button completely, press the shutter button completely, press the shutter button completely,
the flash will fire for the picture.
[Approx. in meters/feet]
55mm (f/5.6)
1 - 1.6 / 3.3 - 5.2
1 - 2.3 / 3.3 - 7.5
1 - 3.2 / 3.3 - 10.5
1 - 4.5 / 3.3 - 14.8
1 - 6.4 / 3.3 - 21.0
1 - 9.1 / 3.3 - 29.8
D Using a Flash
EF-M 22mm f/2 STM
22mm (f/2.0)
1 - 4.5 / 3.3 - 14.8
1 - 6.4 / 3.3 - 21.0
1 - 9.0 / 3.3 - 29.5
1.1 - 12.7 / 3.6 - 41.7
1.6 - 18.0 / 5.2 - 59.0
2.3 - 25.5 / 7.5 - 83.6
139