2 Olympus DSLR, 1 Canon SLR, 1 Nikon SLR, 1 Olympus XA2.
All not mine except 1 Olympus DSLR and XA2.
But I occasionally "steal" another Olympus DSLR for telephoto.
More convenient if 1 DSLR for wide angle, 1 DSLR for telephoto.
The XA2 I carry around with me, with slide film for x-pro.