But I was aware of that shortcoming before I purchased the a7rii. On a side note, continuous autofocus on the a7rii with the adapted Canon lenses is abysmal, which is the 20% I am unable to use it for. I'll even shoot some fairly fast sports like the running shot above with the a7rii. While the focus tracking with my adapted Canon lenses is not nearly as good as using them on the Canon cameras, it is acceptable for about 80% of what I shoot being almost better than the Canons with single shot autofocus. I'm seeing details in my images that I've never seen before even with my 5d mark iii. It's not perfect but so far i really love the Sony a7rii. Being able to use my Canon lenses on the Sony mirrorless cameras allows me to slowly transition from canon to Sony instead of making a big leap into the relatively unknown with a new camera system. But I've since added a Sony a7rii and am impatiently waiting to receive a Sony a6300, both mirrorless cameras that I can use my Canon lenses with a Metabones adapter (with pretty good autofocus!). I still have all of my canon camera and lens gear (Canon 5d mark iii and 7d mark ii). Has that panned out? Let's take a look, shall we? First, here's where I am with my camera lineup. When I wrote my original post, I had just returned my Samsung NX1 because of EVF live view design issues, but still believed that mirrorless cameras would overcome that issue and begin to dominate the camera market. Every camera I discuss below will enable a creative photographer to shoot incredible photos. Even the best camera is worthless in the hands of a photographer with no vision or creativity. But before I dig in to nerdy gear head stuff, I should acknowledge that a camera is just a tool that enables photographers to execute their vision. It's time to take another look at what I wrote in that post and where I think the camera world is and where I am regarding the state of mirrorless. The error can be reduced by positioning the finder as close to the camera lens as possible or by making the finder field smaller so that the camera field includes it.About a year and a half ago I wrote a blog post predicting that mirrorless cameras were well on the way to making dSLRs the living dead of the camera world (original post here). With direct-optical and twin-lens reflex viewfinder systems, a slight error known as parallax is introduced by the slightly different viewpoints of finder and camera lenses. The viewed image is neither inverted nor reversed. The direct-optical viewfinder most commonly used, the bright-line viewfinder, is essentially an inverted Galilean telescope system with an optically projected rectangle outlining the frame area. The focusing mechanism of the viewfinder regulates the main lens as well. The image is not inverted but is laterally reversed. In a twin-lens reflex camera, the finder has a lens of its own, essentially a duplicate of the aperture lens, placed above it and reflecting the image by a mirror to a ground-glass screen. The sighting devices in cameras lacking screens are called viewfinders they show how much of the scene will appear on.
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