Thank you for the prompt reply, Nik,
I checked and my camera is set to shoot RAW, and the info for the file shows it as a .NEF file and the Raw badge is displayed on the thumbnails. It seems that when I open the RAW file some sort of preset is applied immediately to the image. I can reset all the sliders or revert to original to get to an image without any adjustments but it reverts back to the “adjusted” image if I close the image, or hit the sliders adjustment button. This wasn’t the way the program was working for me in the past. Like I said, I might have changed a setting in Nitro to cause the behavior, but I’m not sure what I might have done. I’ve seen this with a number of RAW images that I’ve added to Photos, and then opened Nitro for editing.
Thanks for your help.
Ed