M.Chapman Posted July 17, 2020 Share Posted July 17, 2020 (edited) I'm running Mojave and the latest PS CC (21.2) on a 27" iMac with Retina Display. I expected images in PS to appear about 1/2 size (linear dimensions) on the iMac than they did on my previous non-retina system, because the pixels are half as big. But I'm seeing images that are 1/4 of the size. I'm trying to find out if it's just me (due to a setting gone wrong somewhere during the migration process) or if there's a bug. Is there anyone here with a 27" iMac with a retina display who can try a simple test? Set the Display resolution in Apple System settings to 2,560 x 1,440 (the default) Open Photoshop in normal mode (not low res) and create a 1,000 x 1,000 image Measure the width of the image in cm when viewed in the PS edit window at 100% The 1,000 x 1,000 image I see on screen is only 11.5cm across on a screen that is 59.5cm wide. 11.5/59.5 x 2,560 = approx 500 pixels (instead of 1,000) At first I thought this must be because the true display resolution of the 27" iMac is 5,180 x 2,880 and PS is simply not respecting the scaling set in Apple System Display settings. So I changed the setting and proved the PS is taking this setting into account. For example, if I change the display to 1,600 x 900, the size of my 1,000 x 1,000 image increases to 18.5cm. 18.5/59.5 x 1,600 = approx 500 pixels (instead of 1,000). Whatever setting I choose, the image is 1/2 the size (linear dims) it should be. The only way around it is to start PS in "low res mode", but that makes things "fuzzy". Mark Edited July 17, 2020 by M.Chapman Link to comment Share on other sites More sharing options...
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