How to add images to luminar without importing?

To connect luminar flex to PS, you need to install luminar flex plug-in.

To add the Luminar plug-in to Photoshop CC, follow the steps given below:

• Go to the Photoshop menu,
• Select Preferences
• Click on Plug-ins option
• Select the Luminar plug-in file
• Click OK to add it to Photoshop CC

To add a signature in Luminar, follow the steps given below:

• Prepare the signature
• Crop it accordingly
• Adjust the opacity
• And drag & drop the signature

To add more filters in Luminar software, you can simply open Luminar and click on the Add Filters button on the right of the screen.

Yes, nef file supports Luminar.