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Imatest Documentation Batchview Postprocessor for viewing summaries of SFR, SFRplus results Introduction to Batchview Batchview is a postprocessor for displaying lens test results generated by SFR and SFRplus batch runs (analyses of groups of test chart images taken at various apertures, focal lengths, etc.). It can store and display up to four sets of results for convenient comparisons in Imatest Master; two in Studio. Typical use: You've tested a lens at a range of apertures (for example, f/2.8, f/4, f/5.6, f/8, f/11, and f/16) at several focal lengths. To get a good feeling for its performance, you've measured its sharpness (MTF) at the center, corners, and part-way to the corners (ideally, selecting 9 regions). That's a whole lot of data-- 54 MTF curves for each focal length. You want to see a nice, concise summary. The image below shows MTF50 in Line Widths per Picture Height (LW/PH)— a good measure of total image sharpness)— of four sets of tests (batches of runs). (A-C) Two different Canon 17-85mm lenses for a range of apertures at the indicated focal length. (D) The Canon 24-70mm f/2.8L. Batchview display from four sets of tests on two lenses: Canon 17-85mm, 24-70 f/2.8L Note that the legend (Plot D; lower right) has been moved to uncover the numbers (LW/PH results). The black, red, green, and blue bars are the weighted mean, the mean of the center region, the mean part-way out, and the mean of the corners, respectively. Numeric values displayed near the base of the bars are optional(they can be turned of in the Settings dropdown menu if desired). If a single Display is chosen (selected in the Display box on the right, just below the plots), more detail is displayed. 225 of 451
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Imatest Documentation Using SFRplus
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