Hi Jasem, I'll test later this evening.

I only have experience with the Nikon D5100 however this list below is what I believe to be the Nikon and Canon DSLRs with serial shutter release.

Nikon D3S Serial Shutter
Nikon D40 Serial/IR Shutter
Nikon D40X Serial/IR Shutter
Nikon D60 Serial/IR Shutter
Nikon D80 Serial/IR Shutter
Nikon D90 Serial Shutter
Nikon D200 Serial Shutter
Nikon D300 Serial Shutter
Nikon D300S Serial Shutter
Nikon D5000 Serial Shutter
Nikon D5100 Serial Shutter
Nikon D7000 Serial Shutter
Canon 1Ds Mk II Serial Shutter
Canon 5D Serial Shutter
Canon 20D Serial Shutter
Canon 20Da Serial Shutter
Canon 30D Serial Shutter
Canon 350D / XT Serial Shutter
Canon 400D / XTi Serial Shutter

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