Lightroom: Multi-cam clock sync.

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  • Updated 7 years ago
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I frequently shoot events (weddings) with up to four cameras. My second shooters rotate in/out and we don't always have a moment to sync our camera clocks. It would be great to be able to find several photos that were taken at the time time and have LR sync the times for all shots taken with those cameras. I would designate which camera had the 'master clock'. Currently, I have to find the images, look at the times, look at the event metadata, select each camera and change the clock for each one. Let's have a multi-cam sync!
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sean

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Posted 7 years ago

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John R. Ellis, Champion

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Here's an alternative approach: After you import the photos from the four cameras, put the cameras side-by-side and compare their clocks. If camera 2 is, say, 2 minutes ahead of camera 1, then in LR, select all of camera 2's photos and do Metadata > Edit Capture Time. Select Adjust To A Specified Date And Time, subtract 2 minutes from the Corrected Time, and click Change All. This will shift all of camera 2's photos back by 2 minutes, and now they're time-synced with camera 1's photos.
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sean

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Good suggestion John, though, typically I only have 2 of the 4-6 cameras with me in post. Your suggested steps further illuminate the difficulty in getting all of the photos to line up. I forgot to mention that I do get everyone to shoot an item so I can reference those 4-6 shots later for the sync. I was thinking that software could handle this better: select one shot from each camera, hit Sync Clocks button and LR would search/filter metadata, collect and adjust each set fro each camera.
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sean

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Maybe it's just easier for me to remember to have everyone get together and "synchronize swatches"... Idk
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Lee Jay

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It's easiest for me to have everyone take a picture of my watch at some point during the event. Then, you just select each camera, select the watch picture as most-selected with all others selected as well and set that picture to the time shown on the watch. Bingo, all are synchronized.
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John R. Ellis, Champion

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That's wonderfully simple but effective.
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sean

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A+ man, that's creative.
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sean

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Lee, I've been using your idea for a few shoots and it's spectacular. I used an iphone app that shows the exact seconds value and tell them to shoot right when the seconds increments. Pop into lightroom and update the time on the camera's shots. Excellent. Now, if these cameras start to come with embedded GPS, it would be great for the manufactures to allow the internal cameras to sync to the GPS time. (x,y,z,t)