I was set to shoot some interviews with my Canon 7D when I got an interesting offer from a colleague. He asked my to try out his new Hot Rod mod 7D with a PL mount. How could I turn that down? I just needed a lens. For interviews on the 7D, a fast 85mm lens is as close to perfect as you can get. I chose the RED 85mm prime.
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I was very impressed with this setup, although you really need to be extra careful to keep your subjects relatively still. If they rock forward or backward, they can easily drift out of that shallow field of focus. The interview image above, a grab from the video, is unretouched, shot at t/2, so one stop below wide open on this lens.