In article , Eric Stevens
wrote:

TEN YEARS late. The Panasonic G1 was launched in 2007. Nikon and Canon let
others do the ground-work.

Sony released the F707 in April 2000. That was a mirrorless through
the lense view camera.

all non-slr digital cameras are mirrorless through the lens cameras.

none of them are view cameras, although there are scanning backs
available.