There are many ways to do it. I like using the prefix because in LR classic Library View, you see it immediately at the top without selecting anything or looking at any metadata like keywords.

Below is the Flickr collection, which includes a description that explains how we merged images from multiple cameras, including the D5300 and D7500. There is an overview album which includes a few representative pictures from each day, then an album for each day if you are interested in more detail. Every album has an overall summary description and most pictures have a title and caption.

I used this project to learn LR Classic 9.2, having used Aperture until Apple axed it. There were over 10K pictures to begin with, from multiple cameras and maps to show where we went by air and sea. In many cases, I was able to use LR PhotoMerge to create HDRs or PANOs, which cut down the number of images without discarding many near-duplicates.

Following advice from many here on UHH, I spent some time creating and using hierarchical keywords, which you can see in Flickr.

This post may get moved to Photo Gallery because it references lots of pictures, but the point I am trying to make is not about individual images, but how powerful LR can be for organizing large collections.

https://www.flickr.com/photos/tonyjag/collections/72157713758443993/

I have both a D5300 and D7500, which both went to Antarctica with my son and I last December. The 5300 always begins each file name with DSC, but the 7500 let's you change it, which I did to AN7. Later in LR, it is easy to determine quickly which camera each shot came from. I will later post a Link to the resulting Flickr Collection in the gallery.

I have a Sigma 8-16 (not fish eye). On a trip to Australia and New Zealand, I only used it once vs. a Tamron 16-300 on Nikon D5600. So on an expedition to Antarctica last December, I left it home and used mostly a tap-in-corrected Tamron 18-400 on my Nikon D7500. For travel that includes many landscape shots, I found that ultra wide angle lenses often end up with too much sky and/or sea, which needs to be cropped. As suggested by others on UHH, it is easier to take multiple shots with a longer focal length, then do a Pano Photo Merge in LR.

I think it helps. Thanks so much for replying to every comment...very considerate and thoughtful!

We were at Danco on Dec 16 with a Lindblad Expedition on the Nat Geo Explorer. We did a Zodiac landing, kayaking, hiking, and the Polar Plunge there. I recall seeing a Le Lyrial ship somewhere during our visit. I could probably find a picture of it if you want.

Why not keep both 1 and 2? Or try merging them into a pano..easy to do in Lightroom.

I also prefer #2. Where was it taken? We were there in December, absolutely beautiful.

Was there in December..also prefer #2.

1. Definitely take plenty of SD (or whatever) cards. 2 & 3. Yes, there are many other options. See the recent thread: Backing up SD Cards to SSD Sans Lap Top: https://www.uglyhedgehog.com/t-616895-2.html#11009791. It includes a detailed comparison spreadsheet, but I didn't know about the Dazuinfo XferMax X8-C.

On our expedition to Antarctica, i took my NEXTO DI NPS-10-XQD with 2TB internal SSD and a couple of other alternatives. But NO LAPTOP. With 2 Nikon DSLRs, my son and I took over 10K pictures, which BTW I am still working on while learning LR Classic. Every evening, i used the NEXTO DI NPS-10-XQD to incrementally backup cards from both cameras, which can be initiated in a single operation, then headed for the open bar on the Nat Geo Explorer. It was fast and easily completed before we went to bed. I was too tired to attack photo editing anyhow.

It worked perfectly, except that one day it would not accept one of the SD cards. But I was able to work around that as explained in "Backing up SD Cards to SSD Sans Lap Top". Several others on UHH have also recommended the NEXTO DI NPS-10-XQD, which includes a battery and room for a 2.5" internal drive. Posts below probably mention that, but I have to admit that i didn't study them.

I attached the latest version of the spreadsheet (Nov 8) again.

FOLLOW-UP: On our expedition to Antarctica, i took enough components to backup using my NEXTO DI NPS-10-XQD with 2TB internal SSD and, just in case, Rav Power and Inateck. But NO LAPTOP. With 2 Nikon DSLRs, my son and I took over 10K pictures, which BTW I am still working on while learning LR Classic. Every evening, i used the NEXTO DI NPS-10-XQD to incrementally backup cards from both cameras, which can be initiated in a single operation, then headed for the open bar on the Nat Geo Explorer. It was fast and easily completed before we went to bed.

It worked perfectly, except that one day it would not accept one of the SD cards. However, the camera could still read that SD card and I found a public MAC that could also read it, so I used a USB hub to copy the card to a new empty one. The NPS-10 accepted that, so I continued using it and neither the Rav Power nor Inateck, which are far harder to use and not incremental.

NEXTO DI customer support was very cooperative and explained that the design philosophy behind the NPS-10 was to require each SD card to be perfect, much more stringent than the camera or laptop. I suggested letting the user decide how strict the check should be and they might add that in a future firmware update.

Attached file:
(Download)

Good advice! If you or an assistant use a phone, make sure that it is in sync too. And disable any set from GPS, which could affect each camera differently.

Thanks. What was the problem and solution?

Thanks. Yes, it is a very useful feature that I sometimes use. But if it appears when you don't want it and are not pressing the alt/option key, then it is a bug, or maybe some inadvertent setting not consciously changed. It is OK now, but if it happens again, this thread has suggested many things to try.

Thanks. It is reassuring that someone else has encountered this problem, but I have never seen a 'Lightroom not responding' message. Other programs, including PS, are running, but using hardly any CPU, as i can see using Activity Monitor.

Thanks. It does act like something that should be momentary is stuck, but it's working OK now, as i mentioned above. If it happens again, I will also try both alt keys.

Thanks. When I first installed LR after Christmas, it would crash immediately upon selecting the MAP module. As posted in another thread then [https://www.uglyhedgehog.com/t-626241-1.html], with some very competent on-line help from Adobe, it turned out to be the NVIDIA graphics hardware, so that is now disabled when running LR. They said it would be fixed next time Apple updates the driver. Is there any chance that has been done in any updates to Mojave beyond 10.14.3 (I think it is up to 10.14.6)? I am not ready to go to Catalina 10.15 yet.