Sony or Sigma

I photographed this model with three different lenses, including the Sony 135mm GM. Which one is this?

This guy was working security at the back door of the Showbox SoDo. I asked to take his picture, and he said it was fine, but he wouldn't look my direction. This was as close as I got to catching his face.

Sigma or Sony or other lens?

This was shot at f/1.8.

Shot wide open at ISO 100, 1/1600th second at Kerry Park in Seattle, with the Space Needle in the Background, obviously. ;-)

Sony, Sigma, or larger aperture?

This image was shot at 1/640th sec at f/1.8.

Was it shot with the Sigma or Sony lens?

Photographed with the aperture wide open,  1/1000 sec at ISO 400.

A close up. This was shot wide open, and hand held, and if you look closely, you can see my reflection in the eye.

Sigma or Sony?

I photographed this model with three different lenses. Which ones was this?

Shot at f/1.8.

This one was NOT shot wide open. This was shot at 1/200th sec. @ f/4, ISO 400, for not particular reason. Was it with the Sigma or the Sony?