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Something You Need to Know About Lightroom’s Smart Previews


Hi Gang: I’m back from my London seminar and family vacation to Paris afterward, and we’ll kick things off this week with  a brief discussion on a topic I get asked a lot about Smart Previews.

First, what is a Smart Preview?
Smart Previews do a lot of cool things (and they’re key to working with Lightroom Mobile, but that part happens in the background without your involvement so we’ll just stick to what you can control, which is in the desktop version). Perhaps the biggest benefit of Smart Previews is that you can take a working copy of your images with you on the go, without having to also bring a portable hard drive with the originals all on it, because unlike unlinked thumbnails, you can take these over to the Develop Module and edit them; you can export reasonable size JPEGs and even print reasonable size prints from them, all without having the originals (which before Smart Previews were around, you could just look at the thumbnails and sort them, but not edit them, export them or print them). These Smart Previews take up (on average) around just 1-mb of space, whereas the full RAW image might take up 35 or 40 MB each or more, so it’s quite a space savings for laptop users.

Best of all, when you do plug-in your hard drive with the original RAW images, it applies the changes you made to the Smart Previews to the real thing. So, it’s lots of good stuff, definitely.

However, because they’re so much like working with the real thing, I’ve had some folks get stuck when they try to do things that it seems like Smart Previews should handle, but they don’t. For example, you can’t compile HDR images to stitch panos in Lightroom CC if you’re just using the Smart Previews (you need the original files to do that). Same thing with jumping over to Photoshop to do editing there — it wants that original file. So, while you can do a ton, don’t get frustrated because you can’t do everything — the emphasis should probably be more on the word “Preview” than Smart (though they are pretty smart). Hope that helps to clear up some of the confusion. 🙂


A shout out and many thanks London!
Just wanted to give my sincere thanks to all the photographers who came out to my seminar in London last week, including Lightroom Guru Sean McCormack who made the trip over from Ireland (great to see Sean again this year!). Such a great turnout, and another wonderfully gracious crowd to present to — I loved every minute of it, and can’t wait to come back again!

Hope you all have a great week! I’m sleeping in a bit late this morning, but I’ll be dragging my time-zone challenged self into the office today either way.