“The resulting image is a composite of all those photos we take," says de With. Like many HDR modes, you then get a mix of all these snaps. It's no longer unique in doing this – alternative apps like Even Longer and ReeHeld use similar techniques – but we've still generally got the best results from Spectre.Īs Sebastiaan de With explained to us: “Phones can’t actually take photos for five seconds, so we thought we’d ‘cheat’ a bit: we take hundreds of fast photos, which are also sharper, and then blend them together with some AI that compensates for the natural movement in your hand and arm.” Hence the need for a tripod or ND filter to prevent camera shake and overexposure when shooting in daylight.īut Spectre employs a computational technique that’s similar to the likes of Apple's Smart HDR to help overcome your iPhone's physical limitations, like its small sensor size and limited shutter speeds. How does Spectre differ from traditional long exposure apps and camera techniques? Typically, both cameras and apps have created the long exposure effect by using long shutter speeds of several seconds.
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