Here is my config:
- LR CC 2015.10.1
- two displays
When looking an image in lupe mode 1:1, the image is NOT blur.
Then, when typing F, all the panels disappear to display the same image full screen, with same enlargement as lupe 1:1 (normal behaviour).
During the clearing of the panels, the image GOES and STAYS, blur!
(the full screen mode becomes totally UNreliable to appreciate image quality when doing editing of a shoot)
Does anyone has a solution?
I can't reproduce what you are seeing unless the original image is slightly blurry to begin with.
Please post screen shots of what you are seeing and upload one of the images in question to Dropbox and post a public link to it.