App-based camera triggers compared: Alpine Labs Spark & Miops Mobile Dongle

Introduction From left, the Alpine Labs Spark and the Miops Mobile Dongle. Finger. Shutter button. Click. Next. That sequence is so ingrained in our idea of "taking a photo" that it's pure muscle memory. Many situations call for more than just the press of a finger to capture a shot, though, which is where remote triggers come in. Plenty of us have a remote release cable buried in our camera bags that activates the shutter from a foot or two away. But what about when you want to trigger a night ...