Canon EOS REBEL SL1 Instruction Manual page 109

If <B> or <M> is set, the time lag from when you press the shutter
button completely until the picture is shot will be longer than with normal
single or continuous shooting.
If [z3: AF operation] is set to [AI Servo AF] or [AI Focus AF], <B>
and <M> cannot be selected. If <B> or <M> is set, [z3: AF
operation] will be fixed to [One Shot AF].
With Live View shooting, <B> and <M> cannot be set.
When the battery level is low, the continuous shooting speed may
become slightly slower.
In AI Servo AF operation, the continuous shooting speed may become
slightly slower depending on the subject and the lens used.
i: The maximum continuous shooting speed of approx. 4 shots/sec. is
attained under the following conditions*: At 1/500 attained under the following conditions*: At 1/500 sec. or faster shutter attained under the following conditions*: At 1/500
speed, and at the maximum aperture (varies depending on the lens). The
continuous shooting speed may decrease due to shutter speed,
aperture, subject conditions, brightness, lens, flash use, etc.
* With the following lenses, 4 shots per second is achieved with One-Shot AF and
the Image Stabilizer turned off: EF300mm f/4L IS USM, EF28-135mm f/3.5-5.6 IS the Image Stabilizer turned off: EF300mm f/4L IS USM, EF28-135mm f/3.5-5.6 IS
USM, EF75-300mm f/4-5.6 IS USM, USM, EF75-300mm f/4-5.6 IS USM, USM, EF75-300mm f/4-5.6 IS USM, USM, EF75-300mm f/4-5.6 IS USM, USM, EF75-300mm f/4-5.6 IS USM, and EF100-400mm f/4. USM, EF75-300mm f/4-5.6 IS USM, and EF100-400mm f/4. USM, EF75-300mm f/4-5.6 IS USM, USM, EF75-300mm f/4-5.6 IS USM, and EF100-400mm f/4.5-5.6L IS USM.
the subject and the lens used. the subject and the lens used.
(varies depending on (varies depending on (varies depending on (varies depending on (varies depending on
speed may decrease due speed may decrease due speed may decrease due speed may decrease due speed may decrease due speed may decrease due speed may decrease due speed may decrease due speed may decrease due
ightness, lens, flash use, etc. ightness, lens, flash use, etc. ightness, lens, flash use, etc. ightness, lens, flash use, etc. ightness, lens, flash use, etc. ightness, lens, flash use, etc. ightness, lens, flash use, etc. ightness, lens, flash use, etc. ightness, lens, flash use, etc.
4 shots per second is achiev 4 shots per second is achiev 4 shots per second is achiev 4 shots per second is achiev 4 shots per second is achiev 4 shots per second is achiev 4 shots per second is achiev
off: EF300mm f/4L IS USM, off: EF300mm f/4L IS USM, off: EF300mm f/4L IS USM, off: EF300mm f/4L IS USM, off: EF300mm f/4L IS USM, off: EF300mm f/4L IS USM,
and EF100-400mm f/4. and EF100-400mm f/4. and EF100-400mm f/4. and EF100-400mm f/4. and EF100-400mm f/4.
i Selecting the Drive Mode
speed of approx. 4 shots/sec. is speed of approx. 4 shots/sec. is
sec. or faster shutter sec. or faster shutter
to shutter speed, to shutter speed,
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