11-09-2021 04:54 AM
11-09-2021 08:50 AM
Welcome to the forum.
It depends on the particular intervalometer you have, but most will require that you set the camera to Bulb and select shutter speed and number of shots on the intervalomter.
Don't set mirror lockup.
Here is a typical setup instruction for most common intervalometers.
04/16/2024: New firmware updates are available.
RF100-300mm F2.8 L IS USM - Version 1.0.6
RF400mm F2.8 L IS USM - Version 1.0.6
RF600mm F4 L IS USM - Version 1.0.6
RF800mm F5.6 L IS USM - Version 1.0.4
RF1200mm F8 L IS USM - Version 1.0.4
03/26/2024: New firmware updates are available.
EOS 1DX Mark III - Version 1.9.0
12/05/2023: New firmware updates are available.
EOS R6 Mark II - Version 1.3.0
07/31/2023: New firmware updates are available.
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