Shooting with a Speedlite 90EX (EOS M)
23-Aug-2012
8201602700
Solution
In indoors, low light, or backlit conditions in daylight, you can attach a flash unit and just press the shutter button to take nice pictures. In the [ 
] mode, the shutter speed (1/60 sec. - 1/200 sec.) will be set automatically to prevent camera shake.
] mode, the shutter speed (1/60 sec. - 1/200 sec.) will be set automatically to prevent camera shake.In this section, the use of flash functions is explained using a Speedlite 90EX. For details about using other EOS-dedicated, EX-series Speedlite flashes, see page 292. For details on the Speedlite 90EX, see the Speedlite 90EX Instruction Manual. (When the Speedlite 90EX is attached to this camera, its AF-assist beam will not light up.)
When the shooting mode is [ 
] (Scene Intelligent Auto), [ 
] (Portrait), [ 
] (Close-up) or [ 
] (Night Portrait), fully automatic flash
] (Scene Intelligent Auto), [ ] (Portrait), [ ] (Close-up) or [ ] (Night Portrait), fully automatic flashshooting is possible. When the shooting mode is [ 
] (Creative Auto), you can select [Auto flash], [Flash on] or [Flash off] from the Quick Control screen*.
] (Creative Auto), you can select [Auto flash], [Flash on] or [Flash off] from the Quick Control screen*.* The flash mode will differ depending on the shooting mode.
| Shooting Mode | Flash mode |
|---|---|
| (Scene Intelligent Auto) | Auto flash |
| (Creative Auto) | Auto Flash/Flash on/Flash off* |
| (Portrait) | Auto flash |
 (Landscape) | Flash off |
| (Close-up) | Auto flash |
 (Sports) | Flash off |
| (Night Portrait) | Auto flash |
 (Handheld Night Scene) | Flash on |
 (HDR Backlight Control) | Flash off |
| (Program AE) | Flash on |
 | Flash on |
 | Flash on |
 | Flash on |
| Movies | Flash off |
1. Set the power to <ON>.
2. Attach a Speedlite and turn on the Speedlite.
The Speedlite's power lamp will light and recharging will start.
3. Check that the < 
> lamp lights.
> lamp lights. When it lights, you can shoot.
4. Press the shutter button halfway.
- On the bottom left of the LCD monitor, check that the [ ] icon is displayed.
5. When focus is achieved and you press the shutter button completely, the flash will fire for the picture.
Effective Flash Range [Approx. in meters/feet]
| ISO speed | EF-M18-55mm f/3.5-5.6 IS STM | EF-M22mm f/2 STM | |
|---|---|---|---|
| 18mm (f/3.5) | 55mm (f/5.6) | 22mm(f/2.0) | |
| 100 | 1 - 2.6 / 3.3 - 8.5 | 1 - 1.6 / 3.3 - 5.2 | 1 - 4.5 / 3.3 - 14.8 |
| 200 | 1 - 3.6 / 3.3 - 11.8 | 1 - 2.3 / 3.3 - 7.5 | 1 - 6.4 / 3.3 - 21.0 |
| 400 | 1 - 5.1 / 3.3 - 16.7 | 1 - 3.2 / 3.3 - 10.5 | 1 - 9.0 / 3.3 - 29.5 |
| 800 | 1 - 7.3 / 3.3 - 23.9 | 1 - 4.5 / 3.3 - 14.8 | 1.1 - 12.7 / 3.6 - 41.7 |
| 1600 | 1 - 10.3 / 3.3 - 33.8 | 1 - 6.4 / 3.3 - 21.0 | 1.6 - 18.0 / 5.2 - 59.0 |
| 3200 | 1.3 - 14.5 / 4.3 - 47.6 | 1 - 9.1 / 3.3 - 29.8 | 2.3 - 25.5 / 7.5 - 83.6 |
| 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 |
REFERENCE
- If the resulting picture is too dark.
In Creative Zone modes: , , or , get closer to the subject or increase the ISO speed. By increasing the ISO speed, you can extend the flash range. In other shooting modes, get closer to the subject and take the picture again.
, , or , get closer to the subject or increase the ISO speed. By increasing the ISO speed, you can extend the flash range. In other shooting modes, get closer to the subject and take the picture again.If the resulting picture is too dark, get closer to the subject and take the picture again.
- Using fill-in flash
To take pictures of backlit subjects, select [Evaluative] for [E-TTL II meter.]. Using the fill-in flash function, you can have the subject's face appear brighter.
- In bright light, decrease the ISO speed. (, , or mode)
If the exposure setting on the LCD monitor blinks, decrease the ISO speed.
- Detach the lens hood and keep at least 1 meter/3.3 feet away from the subject.
If the lens has a hood attached or you are too close to the subject, the bottom of the picture may look dark due to the obstructed flash. For important shots, check the image on the LCD monitor to make sure the flash exposure looks natural (not dark at the bottom).
NOTE
When you turn the camera <OFF> after having shot with a Speedlite 90EX attached to the camera, the Speedlite's power will also be turned <OFF>. However, depending on the operation, the Speedlite's power off may not be correctly linked to the camera's power off.
When using the Mount Adapter EF-EOS M, the light of the flash may be partially obstructed, casting a shadow on the bottom part of the picture.