1- The basics

Continous/constant light is widely used for bullet-time installations but this comes with a few issues that can become quite a headache to solve. Continuous light is either daylightled panels or complex light designs

2- Hardware

As always, having proper hardware is the first step toward quality results. In USB, always work with powered USB hubs and quality usb cables (check out the suggested gear here: https://xanglecs.com/gear). In a networked architecture (Raspberry Pis), make sure you're running on a gigabit connection.

3- Shutter precision

What's important here is to find the right balance between sharpness and shutter lag. The slower the shutter, the more blur you'll get. The faster the shutter, the more imprecision you're going to induce. The sweet spot is around 1/160s. Depending on your camera model, you might have to go a bit slower at 1/125s, or you might be able to push to 1/320s. From our experience, 1/320s is the very limit.

One trick to make the shutter glitches less visible is to go in interval mode instead of trying to freeze the moment. Start with an interval of 1ms, and move your way up to find what's working properly with your installation.

From the advanced settings, make sure to have the Trigger warmup delay at around 10ms to provide a few additional milliseconds to put everything in sync.

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If you need absolute precision, the use of strobes might be a better option. More details here: Constant lights vs strobes

Additional notes

4- Workaround

If you still get minor glitchy triggering after gone through all of the tricks above, use the Accuracy Compensation slider from the Trigger Mode / Freeze menu. Full details here: https://xangle.zendesk.com/hc/en-us/articles/360038712651

5- Flickering

Flickering is often induced by lazy shutter problems. This becomes more obvious over time as your cameras become older. The faster you set your exposure time, the more you get flickering. The way to reduce it is to go at a shutter speed of about 1/160s. If one specific camera seems to be always brighter than the other, you might have to switch it for another one.

More details about flickering: How to avoid flickering