I place these files into the public domain and make no claims for their accuracy or ability to allow a camera to focus on them. If you are using a 50mm f/1.4 lens, then the distance between the camera and the test chart should be approximately 5 to 7 feet (1.5-2 meters). The distance between the camera and the wall depends on the focal length of the lens you are testing. The links are:įor the Illustrator "source" file (1.1Mb) The focus chart is located right across from the camera. The target should print onto an 8.5x11 sheet of paper. I've made available a similar target in Adobe Illustrator (CS6) and in PDF format. I believe those charts are expensive and/or copyrighted. In the video clip, the author refers to a "Siemens Star" chart. With all the concern about D800 focusing, I thought I would contribute to the "war effort" by making a focus target similar to the one referred in the blog posting at Ive made available a similar target in Adobe Illustrator (CS6) and in PDF format. It is much easier to tell if the text is blur or sharp than some random patterns. In the video clip, the author refers to a 'Siemens Star' chart.
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