For Canon EOS 850D, 800D, 250D, 200D, 760D, 750D, 700D, 650D, 600D. For Canon EOS M6, M5, EOS R, EOS R6, EOS Ra, EOS RP. For Canon EOS 550D, 500D, 450D, 400D, 350D, 300D, 100D. Shutter release button lock - For long exposures shooting and continuous shooting.
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