Yes...not really a ‘silent’ shutter as much as deferred noise.To explain more deeply, mode 2 is similar to mode 1, but the shutter will remain closed as long as you keep the shutter button held down. This is just for situations where being quiet is critical.
The question was asked because the corporate gobbledgook manual explanation is confused English, therefore cutting it and pasting it is not particularly helpful.Canon says:
Mode 1, Enables quieter shooting than with [Disable]. Continuous shooting is also possible.
Mode 2, When the shutter button is pressed completely, only one shot will be taken. While you keep holding down the shutter button, the camera operation will be suspended. This enables quieter shooting, and operation will resume once you return the shutter button to the halfway position. Even if continuous shooting is set, only a single shot will be taken.
Disable, Be sure to set it to [Disable] if you use a TS-E lens for shifting or tilting the lens or if you use an extension tube. If [Mode 1] or [Mode 2] is set, the standard exposure may not be obtained, or an irregular exposure may result.
I’d add that you want to disable it when using a 3rd party flash. Shouldn’t make a difference for LED/fluorescent flickering. Silent LV basically means an electronic first curtain (EFC). On the lower end models which lack this setting, they use an EFC by default.
I'm sorry you find the manual confusing. Thanks for your extremely useful contribution to this topic.The question was asked because the corporate gobbledgook manual explanation is confused English, therefore cutting it and pasting it is not particularly helpful.
I don't think this is true.Mode 2 is also useful around 1/40th shutter speed to reduce some of the shutter induced vibration from adding motion blur similar to mirror lockup.
70d did I notice ... maybe if I looked real hard.
5d IV, no ... the shutter & mirror seem more dampened and don't create as much vibration.
Hmm, that would be true....after the exposure has completed .