Siemens 100 radial star chart – click on the image to go to the full size file. Click on the image to go to full size file. Zone plate derived from Imatest Software. I have not included any color charts or grey scale charts as it will be extremely difficult to know whether the colors or shades of grey your printer produces are actually correct, making the chart invalid.Ĭlick on the green link or the images below:Ĭlick here for ISO 12233 Test Chart as at the top of this page. The zone plate and siemens charts should be printed as large as possible, but in use they would not fill the frame, perhaps only a small part of the frame depending on the resolution of the camera you are evaluating. You will need a good printer and good quality photo paper for the best results.įor the ISO 12233 chart I divide this into quarters, print each 1/4 and then join them back together to make a larger chart. Its a simple yet effective tool for cinematographers, photographers and camera assistants. Swipe left and right two switch between the two charts. It prevents the phone from going to stand-by while youre adjusting the back focus of your camera or testing your lenses. So below is a link to an ISO 12233 chart, a Zone Plate chart and a Siemens Star chart that you can download for free and print at home. This app displays two different focus charts with a siemens star.
While printing a chart at home isn’t always the best way to go, comercial charts can be very expensive to buy. When testing and evaluating a camera, whether that’s a digital photo camera, video camera or digital cinema camera it is always useful to have a test chart or 2 (or more).
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